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: TriMetal Irons Discover the benefits of ____ different metals.\Question: Choose the right answer from options given a) five b) seven c) no d) three

Output: 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: Love relationships go through ____ stages infatuation, post rapture, discovery and connection.\Question: Choose the right answer from options given a) six b) four c) three d) one


Output: b