TASK DEFINITION: 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').
PROBLEM: Insects have ____ pairs of legs and three body segments.\Question: Choose the right answer from options given a) one b) nine c) no d) three

SOLUTION: d

PROBLEM: Today there are ____ federal states, each based on cultural affiliations.\Question: Choose the right answer from options given a) one b) nine c) seven d) zero

SOLUTION: b

PROBLEM: Spikelets generally contain ____ flowers and generally are awned.\Question: Choose the right answer from options given a) eight b) ten c) two d) one

SOLUTION:
c