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:
Chickens take about six to ____ weeks to grow.\Question: Choose the right answer from options given a) eight b) two c) no d) five

Ex Output:
a


Ex Input:
Bulbs bloom four to ____ weeks after planting.\Question: Choose the right answer from options given a) seven b) one c) six d) nine

Ex Output:
c


Ex Input:
Women have ____ ovaries.\Question: Choose the right answer from options given a) ten b) seven c) three d) two

Ex Output:

d