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:
Water softeners add sodium to drinking water in ____ ways.\Question: Choose the right answer from options given a) zero b) six c) two d) nine
answer:
c


question:
Diploid cultivars have ____ alleles.\Question: Choose the right answer from options given a) eight b) six c) two d) five
answer:
c


question:
Blacks are ____ times more likely than whites to develop glaucoma.\Question: Choose the right answer from options given a) six b) four c) zero d) no
answer:

a