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: Most bioluminescence is blue for ____ reasons.\Question: Choose the right answer from options given a) seven b) two c) four d) zero

SOLUTION: b

PROBLEM: Perennial grass takes ____ to five years before it is mature enough to produce adequate seed.\Question: Choose the right answer from options given a) six b) zero c) three d) no

SOLUTION: c

PROBLEM: Relation Describes the type of relationship between the ____ individuals.\Question: Choose the right answer from options given a) two b) three c) seven d) zero

SOLUTION:
a