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: All quetzals have ____ legs.\Question: Choose the right answer from options given a) four b) zero c) eight d) ten

SOLUTION: a

PROBLEM: Children now account for only ____ percent of all forest fires caused in the United States.\Question: Choose the right answer from options given a) five b) four c) eight d) nine

SOLUTION: b

PROBLEM: Tapirs have hoofed toes , with four toes on the front feet and ____ toes on the hind feet .\Question: Choose the right answer from options given a) six b) four c) three d) zero

SOLUTION:
c