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: Adult tarantulas require a minimum of ____ to five crickets a week.\Question: Choose the right answer from options given a) seven b) three c) four d) five

Output: b


Input: Consider Input: Some motors contain ____ gears and spin very fast, and have little if any torque.\Question: Choose the right answer from options given a) four b) three c) five d) no

Output: d


Input: Consider Input: Electrical transformers come in ____ categories, wet and dry.\Question: Choose the right answer from options given a) two b) ten c) eight d) no


Output: a