willaminic
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Q4 - Our tomato soup provides

by willaminic Fri May 27, 2011 1:01 pm

This is a very simple question, i can see why E is correct, i picked B though......i think B also weakens the argument, can anyone explain?
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Re: Q4 - Our tomato soup provides

by geverett Fri May 27, 2011 1:55 pm

This question is a bit deceitful and caused me a moment of pause when looking at it. It's pretty interesting.

Conclusion: Our tomato soup provides good nutrition

Evidence: There is more vitamin c in a warm bowl of it than a serving of apricots or fresh carrots.

Question: This ad is misleading if which one of the following is true?

Pre phrase: This is pretty vague language. First of all, what size bowl are we talking about? It could be a grandma's lunch bowl that is hardly any portion at all in which case perhaps you are not getting as much Vitamin C as a serving of apricots or fresh carrots. Also, the other logical gap I see is the author assumes that having more vitamin C than a serving of apricots or fresh carrots is sufficient to constitute a bowl of soup as providing good nutrition.

Go to the answer choices with this in mind.

(A) This is irrelevant. Just because few people depend on apricots and fresh carrots for Vitamin C does not affect the advertisements conclusion about tomato soup being nutritious because it has more vitamin C than a serving of apricots or fresh carrots. eliminate it

(B) This answer choice might work if the advertisements conclusion was about tomato soup providing good nutrition under any circumstance, but our conclusion has no such caveat. Also just because a liquid can lose vitamins does not mean it necessarily will. Too much ambiguity in this answer choice, and not enough relevance to the specific conclusion cited by the ad.

(C) This answer choice could serve to strengthen the advertisement's conclusion because it would give another reason for accepting the authors conclusion that tomato soup provides good nutrition. eliminate it.

(D) Our conclusion is about a bowl of tomato soup being nutritious because of having more Vitamin C than a serving of apricots or fresh carrots. There is nothing about fresh strawberries in the stimulus. This is irrelevant. elimiate it.

(E) A ha! This is basically undermining the ad's conclusion because it says "So what if tomato soup has more Vitamin C than apricots or fresh carrots. Apricots and fresh carrots derive their nutritional value from the large amount of vitamin A they provide. They are not known for their provision of vitamin C." It's a very misleading comparison that the advertisement made.

Here's a good analogy that might help make this more sense:

Let's say you studied extensively and made a higher score on the LSAT then I did, and based upon your making a higher score you told everybody that you had made a great score on the LSAT. Now let's say that I had only taken an LSAT once without studying, and based on my poor score I decided to study for the GMAT and go to Business School. Would your ability to make a higher score then me on the LSAT allow you to conclude that you had made a great score on the LSAT?

Think about it for just a bit. Please let me know if you need any points clarified. Great question.
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Re: Q4 - Our tomato soup provides good nutrition: for instance a

by ManhattanPrepLSAT1 Sat May 28, 2011 2:05 pm

And keep in mind that the question doesn't ask you to weaken the conclusion. It asks you find an answer choice that would imply that the conclusion is "misleading." So when you seek an answer choice here, make sure that it you show how their evidence for the conclusion is deceptive in some way.

Answer choice (E) shows the deceptive nature of the advertisement. The LSAT loves to show how advertisements can be misleading, and if you really pay attention to advertisements, you'll notice a ton of tricks to make you think one thing while saying something else, while technically not lying.

For example, "many people who use Acme skin cream see results that blow them away." The word "many" sounds to a lot of people like the word "most." But "many" simply means more than one!

Answer choice (E) highlights the deception in the advertisement in that just because apricots and carrots are healthy, that doesn't mean they are good comparison with regard for vitamin C.

Hope that helps!