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: Matter exists in ____ forms, solid, fluid and plasma.\Question: Choose the right answer from options given a) ten b) nine c) three d) five

Output: c


Input: Consider Input: Summer is the hottest of the ____ temperate seasons , falling between spring and autumn .\Question: Choose the right answer from options given a) six b) four c) no d) nine

Output: b


Input: Consider Input: Carrots can take up to ____ weeks to germinate.\Question: Choose the right answer from options given a) zero b) two c) five d) three


Output: d