It sadden me to learn that a butterfly only has a life span of two weeks.
(It; sadden; me; to learn that a butterfly only has a life span of two weeks) (me; to learn; that a butterfly only has a life span of two weeks) Context(me to learn,List([10, 21))):(a butterfly; only has; a life span of two weeks)
me to learn,List([10, 21))
It me a butterfly
sadden to learn only has
me to learn that a butterfly only has a life span of two weeks
that a butterfly only has a life span of two weeks
a life span of two weeks