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: 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: Living cells have at least ____ parts.\Question: Choose the right answer from options given a) seven b) three c) zero d) four

Output: b


Input: Consider Input: Braids range from three to ____ or more strands.\Question: Choose the right answer from options given a) five b) eight c) three d) seven


Output: d