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: Harbor porpoises live in groups averaging one to ____ individuals and are very skittish.\Question: Choose the right answer from options given a) seven b) five c) two d) three

Output: d


Input: Consider Input: Granite occurs in ____ separate masses.\Question: Choose the right answer from options given a) two b) eight c) nine d) no

Output: a


Input: Consider Input: Gray fox vixens usually give birth to ____ or four pups at a time.\Question: Choose the right answer from options given a) seven b) ten c) eight d) three


Output: d