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: All loci have ____ or two alleles.\Question: Choose the right answer from options given a) no b) six c) four d) one

Output: d


Input: Consider Input: Casinos have no windows and they have ____ clocks.\Question: Choose the right answer from options given a) six b) four c) eight d) no

Output: d


Input: Consider Input: Most species have ____ jaws equipped with small, sharp teeth.\Question: Choose the right answer from options given a) three b) ten c) eight d) nine


Output: a