Several years ago, scientists decided to determine if freezing water was really responsible for rocks cracking.
(rocks; cracking; ) (scientists; decided; to determine if freezing water was really responsible for rocks; T:Several years ago) Context(scientists decided,List([19, 37))):(scientists; decided to determine; if freezing water was really responsible for rocks) Context(scientists decided to determine,List([19, 50))):(freezing water; was; really responsible for rocks)
scientists decided,List([19, 37)) scientists decided to determine,List([19, 50))
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cracking decided decided to determine was
to determine if freezing water was really responsible for rocks T:Several years ago
if freezing water was really responsible for rocks
really responsible for rocks