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: Motor neurons are divided into ____ groups.\Question: Choose the right answer from options given a) two b) six c) seven d) eight

Output: a


Input: Consider Input: All cattle have a ____ chambered stomach, consisting of a rumen, reticulum, omasum and abomasum.\Question: Choose the right answer from options given a) ten b) four c) six d) two

Output: b


Input: Consider Input: Drug abusers are tardy for work ____ times more often than non-abusers.\Question: Choose the right answer from options given a) nine b) seven c) three d) five


Output: c