Internal heat in the young planet could have melted ice, causing water to run over the surface.
(Internal heat in the young planet; could have melted; ice) Context(Internal heat in the young planet could have melted,List([0, 51))):(Internal heat in the young planet; could have melted ice causing; water to run over the surface) Context(Internal heat in the young planet could have melted causing,List([0, 64))):(water; to run; )
Internal heat in the young planet could have melted,List([0, 51)) Internal heat in the young planet could have melted causing,List([0, 64))
Internal heat in the young planet Internal heat in the young planet water
could have melted could have melted ice causing to run
ice
water to run over the surface