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: Organisms have ____ forms of nucleic acid.\Question: Choose the right answer from options given a) four b) three c) two d) one

Output: c


Input: Consider Input: Spiders have one, two, or ____ pairs of spinnerets.\Question: Choose the right answer from options given a) two b) six c) three d) no


Output: c