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: Bulbs bloom four to ____ weeks after planting.\Question: Choose the right answer from options given a) seven b) one c) six d) nine
Example Output: c

Example Input: Calves are born ____ and a half months after mating.\Question: Choose the right answer from options given a) six b) ten c) eight d) two
Example Output: c

Example Input: Vegans are the strictest of all, eating ____ foods of animal origin whatsoever.\Question: Choose the right answer from options given a) no b) one c) six d) five
Example Output:
a