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: Western culture offers only ____ genders, man or woman.\Question: Choose the right answer from options given a) three b) two c) one d) four

SOLUTION: b

PROBLEM: Many people have ____ symptoms until they suffer chest pains or a heart attack.\Question: Choose the right answer from options given a) three b) one c) no d) seven

SOLUTION: c

PROBLEM: Trash containers come in ____ sizes.\Question: Choose the right answer from options given a) three b) eight c) ten d) nine

SOLUTION:
a