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: Most infected persons have ____ symptoms of disease.\Question: Choose the right answer from options given a) six b) no c) three d) one

SOLUTION: b

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

SOLUTION: b

PROBLEM: Bears can eat up to ____ salmon per hour.\Question: Choose the right answer from options given a) seven b) three c) two d) no

SOLUTION:
a