"G will be assigned unless K is assigned."

Whenever I try and think about the answer in my head, I come up with G --> ~K but the correct response is ~G --> K. Can you walk me through the correct thought process? I would really appreciate it!

Hi! When I first did this question I made two T-charts where H and L were selected -- but with different distributions of animals. In one scenario (2-1-3) I had G,H,L,T,V,Z in and F,NK out. In the second scenario (2-2-2) I had G,H,L,N,V,Z in and F,K,T out. Answer choice B said that T is selected -- ...