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:
Plants can uptake ____ times more nutrients, and improve soil texture at the same time.\Question: Choose the right answer from options given a) no b) two c) three d) ten
answer:
d


question:
Tetrapods are animals that have ____ legs or leg-like appendages.\Question: Choose the right answer from options given a) four b) one c) ten d) six
answer:
a


question:
Lichens are composite, symbiotic organisms made up from members of as many as ____ kingdoms.\Question: Choose the right answer from options given a) seven b) three c) two d) six
answer:

b