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: Collars come in ____ shapes.\Question: Choose the right answer from options given a) six b) two c) four d) zero

SOLUTION: b

PROBLEM: Beavers live in families that include an adult pair and ____ to three years worth of offspring.\Question: Choose the right answer from options given a) no b) one c) four d) ten

SOLUTION: b

PROBLEM: Brown bears grow from six and a half to ____ feet long.\Question: Choose the right answer from options given a) seven b) nine c) two d) four

SOLUTION:
b