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: Ants have ____ stomachs.\Question: Choose the right answer from options given a) two b) nine c) four d) seven

Output: a


Input: Consider Input: Embryos develop and hatch in about four weeks, then spend four to ____ months in the tadpole stage.\Question: Choose the right answer from options given a) five b) nine c) eight d) two

Output: a


Input: Consider Input: Marigolds require at least ____ hours of daily sunlight to flower at their best.\Question: Choose the right answer from options given a) six b) zero c) eight d) two


Output: a