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: Japan is the second largest single country importer with about ____ per cent of world oat imports.\Question: Choose the right answer from options given a) five b) one c) four d) eight

SOLUTION: a

PROBLEM: Motor neurons are divided into ____ groups.\Question: Choose the right answer from options given a) two b) six c) seven d) eight

SOLUTION: a

PROBLEM: Bees can memorise at least six locations, and ____ paths leading to each.\Question: Choose the right answer from options given a) one b) four c) eight d) three

SOLUTION:
d