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: Some snails can pull over ____ times their own body-weight.\Question: Choose the right answer from options given a) nine b) six c) five d) three

Output: d


Input: Consider Input: Females have two X-chromosomes, ____ from each parent.\Question: Choose the right answer from options given a) ten b) four c) one d) zero

Output: c


Input: Consider Input: Continental margins have ____ main parts.\Question: Choose the right answer from options given a) nine b) three c) four d) eight


Output: b