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: Wind is renewable, and produces ____ emissions or by-products.\Question: Choose the right answer from options given a) five b) nine c) zero d) no

SOLUTION: 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: Hyphenated words count as ____ words.\Question: Choose the right answer from options given a) three b) two c) seven d) eight

SOLUTION:
b