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: Beer is made from fermented grains and has an alcohol content of ____ to six percent.\Question: Choose the right answer from options given a) zero b) three c) two d) ten

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: Illiteracy is a fact of life for roughly ____ fifths of the population.\Question: Choose the right answer from options given a) three b) zero c) ten d) two

SOLUTION:
a