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:
Waves can sometimes reach ____ feet tall, while still being playful and fun.\Question: Choose the right answer from options given a) nine b) eight c) ten d) no

Ex Output:
c


Ex Input:
Women account for more than ____ out of five deaths from stroke.\Question: Choose the right answer from options given a) three b) six c) eight d) nine

Ex Output:
a


Ex Input:
Lactation probably occurs for the first ____ months after parturation.\Question: Choose the right answer from options given a) four b) six c) seven d) two

Ex Output:

d