Frogs usually need to lay their eggs in ponds, but some rainforest tree frogs lay their eggs in the pools in air plants.
(some rainforest tree frogs; lay; their eggs; in the pools in air plants) (Frogs; need; to lay their eggs in ponds; T:usually) Context(Frogs need,List([0, 18))):(Frogs; need to lay; their eggs; in ponds)
Frogs need,List([0, 18))
some rainforest tree frogs Frogs Frogs
lay need need to lay
their eggs in the pools in air plants
to lay their eggs in ponds T:usually
their eggs in ponds