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: Bulls can stand as tall as ____ feet at the shoulders.\Question: Choose the right answer from options given a) one b) five c) seven d) four

SOLUTION: b

PROBLEM: Metals often crystallize in a ____ dimensional version of the hexagonal closest packed structure.\Question: Choose the right answer from options given a) one b) seven c) three d) eight

SOLUTION: c

PROBLEM: Studies show our brains comprehend speech at four to ____ times faster than people normally speak.\Question: Choose the right answer from options given a) three b) four c) five d) one

SOLUTION:
c