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 ____ distinct body parts.\Question: Choose the right answer from options given a) nine b) zero c) no d) three

Output: d


Input: Consider Input: Hamsters can live to be three to ____ years old.\Question: Choose the right answer from options given a) four b) two c) three d) nine

Output: a


Input: Consider Input: Bloody diarrhea lasts for ____ to five days.\Question: Choose the right answer from options given a) two b) four c) one d) three


Output: a