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: Astronauts sleep only ____ hours each night, on average.\Question: Choose the right answer from options given a) six b) one c) four d) seven

SOLUTION: a

PROBLEM: Plants have three and ____ way branching carying sixteen buds.\Question: Choose the right answer from options given a) seven b) six c) four d) ten

SOLUTION: c

PROBLEM: All polygons have ____ sides.\Question: Choose the right answer from options given a) two b) six c) four d) three

SOLUTION:
c