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:
All loci have ____ or two alleles.\Question: Choose the right answer from options given a) no b) six c) four d) one
answer:
d


question:
Hamsters can live to be three to ____ years old.\Question: Choose the right answer from options given a) four b) two c) three d) nine
answer:
a


question:
Smoking is the single most preventable cause of mortality, responsible for one in every ____ deaths.\Question: Choose the right answer from options given a) six b) ten c) three d) no
answer:

a