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: Infants usually die of pneumonia or other infections before reaching ____ years of age.\Question: Choose the right answer from options given a) nine b) four c) zero d) eight

SOLUTION: b

PROBLEM: Waves can sometimes reach ____ feet tall, while still being playful and fun.\Question: Choose the right answer from options given a) nine b) eight c) ten d) no

SOLUTION: c

PROBLEM: Smoke detectors have a life of approximately ____ years.\Question: Choose the right answer from options given a) ten b) two c) zero d) one

SOLUTION:
a