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').

Input: Consider 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

Output: a


Input: Consider Input: Lions have ____ distinct vocalizations including roars, grunts and growls.\Question: Choose the right answer from options given a) eight b) six c) four d) nine

Output: d


Input: Consider Input: Leafy spurge is a weed that meets all ____ criteria.\Question: Choose the right answer from options given a) ten b) three c) four d) six


Output: b