Isaac Newton first described gravity and had the insight to realize that the force that holds us to Earth (and makes apples fall) is 
(Isaac Newton; described; gravity; T:first) (Isaac Newton; had; the insight to realize that the force that holds us to Earth (and makes apples fall) is) (the force; holds; us; to Earth) (the force; makes; apples fall) Context(the force makes,List([73, 116))):(apples; fall; )
the force makes,List([73, 116))
Isaac Newton Isaac Newton the force the force apples
described had holds makes fall
gravity T:first
the insight to realize that the force that holds us to Earth (and makes apples fall) is
us to Earth
apples fall