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:
Argentine ants are able to establish new colonies with as little as ____ worker ants and one queen.\Question: Choose the right answer from options given a) no b) two c) ten d) five
answer:
c

question:
Angiosperms inhabit all ____ continents, as well as the oceans.\Question: Choose the right answer from options given a) five b) seven c) three d) zero
answer:
b

question:
Ants comprise ____ main castes, which have different roles, workers, queens and males.\Question: Choose the right answer from options given a) ten b) two c) no d) three
answer:
d