For one, the erosion on the sphinx was caused by rainwater - the desert were the sphinx is located was a rainforest twelve thousand years ago.
(the desert; was; T:a rainforest twelve thousand years ago) (the desert; were; the sphinx is located) Context(the desert were,List([61, 76))):(the erosion on the sphinx; was caused; by rainwater; T:For one) Context(the desert were,List([61, 76))):(the sphinx; is located; )
the desert were,List([61, 76)) the desert were,List([61, 76))
the desert the desert the erosion on the sphinx the sphinx
was were was caused is located
T:a rainforest twelve thousand years ago
the sphinx is located
by rainwater T:For one