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: Parapsychologists have ____ basic approaches to their subject matter.\Question: Choose the right answer from options given a) three b) two c) ten d) five

Output: b


Input: Consider Input: Most linguists organize the African languages into ____ major language families.\Question: Choose the right answer from options given a) three b) four c) eight d) no

Output: b


Input: Consider Input: Anthropology is divided into ____ subfields.\Question: Choose the right answer from options given a) ten b) eight c) four d) seven


Output: c