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:
Fluorescent lamps are roughly ____ times more intense than ordinary lightbulbs.\Question: Choose the right answer from options given a) six b) one c) three d) eight
answer:
c


question:
Food chains consist of ____ trophic levels.\Question: Choose the right answer from options given a) ten b) three c) one d) four
answer:
d


question:
Most foods contain a combination of all ____ types.\Question: Choose the right answer from options given a) ten b) three c) one d) seven
answer:

b