instruction:
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').
question:
Laparoscopic surgery is performed via three or ____ small incisions in the abdomen.\Question: Choose the right answer from options given a) nine b) six c) five d) four
answer:
d


question:
Natural indium contains ____ isotopes.\Question: Choose the right answer from options given a) one b) eight c) two d) seven
answer:
c


question:
Air quality is important to long term economic growth for ____ reasons.\Question: Choose the right answer from options given a) one b) seven c) zero d) three
answer:

d