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: Matter exists in ____ forms, solid, fluid and plasma.\Question: Choose the right answer from options given a) ten b) nine c) three d) five

SOLUTION: c

PROBLEM: Heme is made of ____ pyrrole groups united to form a porphyrin ring.\Question: Choose the right answer from options given a) five b) four c) eight d) six

SOLUTION: b

PROBLEM: Uninsured people are more than ____ times more likely to die in the hospital than the insured.\Question: Choose the right answer from options given a) three b) zero c) four d) six

SOLUTION:
a