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: Whales are divided into ____ categories, based on their teeth.\Question: Choose the right answer from options given a) two b) four c) nine d) ten

SOLUTION: a

PROBLEM: Eastern cottontails have ____ different fur coats each year.\Question: Choose the right answer from options given a) five b) two c) eight d) six

SOLUTION: b

PROBLEM: Men are ____ times more likely to get bladder cancer than women.\Question: Choose the right answer from options given a) four b) nine c) ten d) no

SOLUTION:
a