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: Evolution is dependent on ____ forces.\Question: Choose the right answer from options given a) no b) five c) two d) seven

Output: c


Input: Consider Input: Insects have ____ pairs of legs and three body segments.\Question: Choose the right answer from options given a) one b) nine c) no d) three

Output: d


Input: Consider Input: Shamrocks can be three of ____ leafs.\Question: Choose the right answer from options given a) four b) three c) nine d) six


Output: a