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: Echinoderms usually have ____ appendages, but there are some exceptions.\Question: Choose the right answer from options given a) ten b) five c) seven d) three

Output: b


Input: Consider Input: Japan is the second largest single country importer with about ____ per cent of world oat imports.\Question: Choose the right answer from options given a) five b) one c) four d) eight

Output: a


Input: Consider Input: Shanghai has a subtropical maritime climate, ____ distinct seasons and moderate rainfall.\Question: Choose the right answer from options given a) three b) four c) six d) zero


Output: b