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').

Example Input: Chinese cuisine has ____ tolerance for animal rights groups.\Question: Choose the right answer from options given a) ten b) zero c) four d) no
Example Output: b

Example 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
Example Output: d

Example Input: Oceans make up over ____ thirds of the Earth's surface.\Question: Choose the right answer from options given a) nine b) seven c) two d) six
Example Output:
c