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').

Ex Input:
Reality is more than what can be perceived with the ____ senses.\Question: Choose the right answer from options given a) five b) four c) ten d) one

Ex Output:
a

Ex Input:
Babies show an interest in solid foods when they are approximately four to ____ weeks old.\Question: Choose the right answer from options given a) nine b) eight c) five d) six

Ex Output:
c

Ex Input:
China is home to one out of every ____ people on earth.\Question: Choose the right answer from options given a) five b) two c) nine d) four

Ex Output:
a