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: Studies show that childhood obesity is epidemic and that ____ in five children is overweight.\Question: Choose the right answer from options given a) one b) two c) nine d) ten

SOLUTION: a

PROBLEM: Pelicans use ____ different ways to feed.\Question: Choose the right answer from options given a) no b) nine c) one d) two

SOLUTION: d

PROBLEM: Bubonic plague begins in China and India, killing an estimated ____ million over the next decade.\Question: Choose the right answer from options given a) ten b) nine c) four d) three

SOLUTION:
d