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: Islamic practice is based on what are called the ____ pillars of faith.\Question: Choose the right answer from options given a) eight b) one c) five d) four

SOLUTION: c

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: Life is manifest in ____ distinct states of existence.\Question: Choose the right answer from options given a) five b) four c) two d) eight

SOLUTION:
b