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: Big bluestem grows up to ____ feet tall.\Question: Choose the right answer from options given a) seven b) no c) nine d) eight

SOLUTION: c

PROBLEM: Reality is more than what can be perceived with the ____ senses.\Question: Choose the right answer from options given a) five b) four c) ten d) one

SOLUTION: a

PROBLEM: Ozone is a gas composed of ____ atoms of oxygen.\Question: Choose the right answer from options given a) two b) one c) three d) seven

SOLUTION:
c