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').

Example Input: Most Trusts have ____ or more Trustees.\Question: Choose the right answer from options given a) zero b) nine c) ten d) two
Example Output: d

Example Input: Carbon forms ____ bonds.\Question: Choose the right answer from options given a) five b) four c) two d) three
Example Output: b

Example Input: Hydra has ____ distinct methods of reproduction, asexual and sexual.\Question: Choose the right answer from options given a) two b) zero c) no d) ten
Example Output:
a