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:
Reverse osmosis uses three to ____ gallons of water to produce one gallon of drinking water.\Question: Choose the right answer from options given a) six b) eight c) five d) ten
answer:
d


question:
Planaria have ____ tiny eyes on the head.\Question: Choose the right answer from options given a) two b) five c) nine d) four
answer:

a