Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Input: Consider Input: Cougars have ____ toes with three distinct lobes present at the base of the pad.\Question: Choose the right answer from options given a) no b) four c) eight d) zero

Output: b


Input: Consider Input: Most bioluminescence is blue for ____ reasons.\Question: Choose the right answer from options given a) seven b) two c) four d) zero

Output: b


Input: Consider Input: Fertilization increases variation because ____ haploids become a diploid.\Question: Choose the right answer from options given a) three b) five c) two d) eight


Output: c