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: Flowers have a ____ tolerance for pests and pest damage.\Question: Choose the right answer from options given a) seven b) three c) zero d) no
Example Output: c

Example Input: Females can only have four babies at ____ time.\Question: Choose the right answer from options given a) no b) one c) nine d) three
Example Output: b

Example Input: Valencia types have three to ____ small seeds per pod.\Question: Choose the right answer from options given a) zero b) one c) six d) five
Example Output:
c