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: Dicots have ____ seeds leaves, whereas monocots have only one.\Question: Choose the right answer from options given a) four b) one c) seven d) two

SOLUTION: d

PROBLEM: Normal cells have ____ copies of each chromosome.\Question: Choose the right answer from options given a) two b) five c) eight d) no

SOLUTION: a

PROBLEM: Tenor clef is bass clef which has been transcribed up ____ notes, and is much less common.\Question: Choose the right answer from options given a) five b) three c) one d) no

SOLUTION:
a