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: Cats have ____ sets of vocal cords.\Question: Choose the right answer from options given a) zero b) nine c) two d) three

SOLUTION: c

PROBLEM: Cats have ____ lives.\Question: Choose the right answer from options given a) five b) one c) two d) nine

SOLUTION: d

PROBLEM: Most boys are born with ____ testicles in the scrotum.\Question: Choose the right answer from options given a) two b) eight c) five d) four

SOLUTION:
a