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: Cougars have ____ toes with three distinct lobes present at the base of the pad.\Question: Choose the right answer from options given a) no b) four c) eight d) zero

SOLUTION: b

PROBLEM: Ruminants have an even number of toes on each foot and a stomach with either three or ____ chambers.\Question: Choose the right answer from options given a) four b) two c) seven d) five

SOLUTION: a

PROBLEM: Teething begins for most babies around four to ____ months.\Question: Choose the right answer from options given a) four b) no c) six d) three

SOLUTION:
c