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: Normal cells have ____ copies of each chromosome.\Question: Choose the right answer from options given a) two b) five c) eight d) no

Output: a


Input: Consider Input: Angiosperms inhabit all ____ continents, as well as the oceans.\Question: Choose the right answer from options given a) five b) seven c) three d) zero

Output: b


Input: Consider Input: Cardinals are approximately eight and ____ fourths inches in length.\Question: Choose the right answer from options given a) three b) six c) four d) zero


Output: a