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: 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: Dispassion is a ____ edged sword.\Question: Choose the right answer from options given a) six b) two c) zero d) four

Output: b


Input: Consider Input: Cetaceans are noted for their play behavior, seemingly pleasurable activities with ____ serious goal.\Question: Choose the right answer from options given a) two b) three c) no d) seven


Output: c