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: Roundworms are fairly large worms that can grow to be ____ or five inches long.\Question: Choose the right answer from options given a) no b) nine c) four d) zero

SOLUTION: c

PROBLEM: Waves can sometimes reach ____ feet tall, while still being playful and fun.\Question: Choose the right answer from options given a) nine b) eight c) ten d) no

SOLUTION: c

PROBLEM: Some species have flowers veined or feathered with ____ colors.\Question: Choose the right answer from options given a) two b) three c) four d) zero

SOLUTION:
a