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: Cleavage is good in ____ directions forming cubes.\Question: Choose the right answer from options given a) two b) three c) six d) zero

Output: b


Input: Consider Input: Sea stars have ____ arms, or rays, connected to a small round body.\Question: Choose the right answer from options given a) five b) six c) seven d) no

Output: a


Input: Consider Input: Diarrhea is the occurrence of ____ or more watery stools a day.\Question: Choose the right answer from options given a) zero b) nine c) five d) seven


Output: c