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: Government is divided into ____ basic functions.\Question: Choose the right answer from options given a) three b) no c) two d) four

Output: c


Input: Consider Input: Neutrinos are particles with almost ____ mass and no electric charge.\Question: Choose the right answer from options given a) no b) two c) zero d) five

Output: a


Input: Consider Input: Austrian butter has ____ calories either.\Question: Choose the right answer from options given a) no b) nine c) zero d) two


Output: a