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: Death occurs during the first ____ days of illness without intensive care.\Question: Choose the right answer from options given a) seven b) eight c) five d) nine

SOLUTION: a

PROBLEM: Birds have ____ eyes.\Question: Choose the right answer from options given a) eight b) five c) nine d) two

SOLUTION: d

PROBLEM: Propane has ____ carbon atoms lined up in a row.\Question: Choose the right answer from options given a) no b) eight c) three d) zero

SOLUTION:
c