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: Embrasures have ____ functions.\Question: Choose the right answer from options given a) three b) seven c) zero d) nine

SOLUTION: a

PROBLEM: Vision disorders affect one in every ____ school-age children.\Question: Choose the right answer from options given a) five b) four c) nine d) one

SOLUTION: b

PROBLEM: Some babies sleep through by age ____ weeks.\Question: Choose the right answer from options given a) six b) ten c) four d) eight

SOLUTION:
a