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: Marriage is the legal union of ____ people.\Question: Choose the right answer from options given a) one b) no c) five d) two

SOLUTION: d

PROBLEM: Most viruses have only ____ organelles.\Question: Choose the right answer from options given a) ten b) two c) four d) eight

SOLUTION: b

PROBLEM: Plants provide food and cover, ____ vital needs for both.\Question: Choose the right answer from options given a) three b) four c) two d) six

SOLUTION:
c