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: Female cats have ____ X's in each cell.\Question: Choose the right answer from options given a) five b) two c) one d) ten

Output: b


Input: Consider Input: Prairie voles look like rodents with small rounded bodies, ____ short legs and a short tail.\Question: Choose the right answer from options given a) two b) nine c) four d) zero

Output: c


Input: Consider Input: Zebrafish embryos have ____ or four identifiable primary motoneurons per hemisegment.\Question: Choose the right answer from options given a) no b) three c) nine d) five


Output: b