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:
Banks hold ____ excess reserves and the public holds no currency.\Question: Choose the right answer from options given a) two b) seven c) ten d) no

Ex Output:
d

Ex Input:
Basting is the stitching used to hold the ____ layers of fabric together while quilting.\Question: Choose the right answer from options given a) four b) six c) three d) ten

Ex Output:
c

Ex Input:
Vegetables require at least ____ hours of direct sun each day.\Question: Choose the right answer from options given a) four b) six c) ten d) two

Ex Output:
b