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: Clover leaves with ____ to nine leaflets, illustrating a tendency to mutate.\Question: Choose the right answer from options given a) three b) zero c) ten d) five

Output: a


Input: Consider Input: Most roots require from ____ to six weeks to dry sufficiently to be safe.\Question: Choose the right answer from options given a) two b) four c) eight d) three

Output: d


Input: Consider Input: Bluegills average ____ to ten inches in length.\Question: Choose the right answer from options given a) zero b) four c) six d) seven


Output: b