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: Ankle joint has ____ degrees of freedom.\Question: Choose the right answer from options given a) seven b) eight c) four d) three

SOLUTION: d

PROBLEM: Rabbits reach sexual maturity between three and ____ months of age.\Question: Choose the right answer from options given a) three b) seven c) six d) zero

SOLUTION: c

PROBLEM: Porcupines have ____ areas of conflict with humans.\Question: Choose the right answer from options given a) nine b) two c) eight d) four

SOLUTION:
b