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: Military service is fulfilled by voluntary enlistment, generally for a period of ____ years.\Question: Choose the right answer from options given a) four b) one c) nine d) two

SOLUTION: c

PROBLEM: Sound waves travel ____ mile in about five seconds.\Question: Choose the right answer from options given a) nine b) ten c) one d) eight

SOLUTION:
c