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:
Nightmares happen frequently in childhood, especially between the ages of ____ and six.\Question: Choose the right answer from options given a) three b) eight c) no d) ten
answer:
a


question:
Antibodies contain ____ pairs of protein chains.\Question: Choose the right answer from options given a) no b) two c) nine d) zero
answer:
b


question:
Spotted coralroot is the most common of ____ coralroot species that grow in Connecticut.\Question: Choose the right answer from options given a) two b) ten c) three d) five
answer:

c