When they shot the rock, they shot the rock... People have been playing a form of basketball for about 3,400 years, scientists revealed......
(they; shot; the rock) (scientists; revealed; ) Context(scientists revealed,List([116, 135))):(they; shot; the rock; T:When they shot the rock) Context(they shot scientists revealed,List([25, 135))):(People; have been playing; a form of basketball; T:for about 3,400 years)
scientists revealed,List([116, 135)) they shot scientists revealed,List([25, 135))
they scientists they People
shot revealed shot have been playing
the rock
the rock T:When they shot the rock
a form of basketball T:for about 3,400 years