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').

Example Input: Mosquitoes have three body parts and ____ legs.\Question: Choose the right answer from options given a) two b) nine c) six d) eight
Example Output: c

Example Input: Baby elephants are usually dependent on mother s milk for at least ____ years.\Question: Choose the right answer from options given a) six b) three c) two d) seven
Example Output: b

Example Input: Birds can sometimes be variable due to the ____ reasons.\Question: Choose the right answer from options given a) no b) two c) seven d) nine
Example Output:
b