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: Traditional neon electrifies the inert gas from ____ directions.\Question: Choose the right answer from options given a) two b) nine c) one d) six

SOLUTION: a

PROBLEM: Illiteracy is ____ percent higher among women than men.\Question: Choose the right answer from options given a) seven b) six c) zero d) five

SOLUTION: a

PROBLEM: History is the common language of the ____ cultures.\Question: Choose the right answer from options given a) four b) two c) zero d) eight

SOLUTION:
b