The children should have observed that eggs developed into tadpoles, that the tadpoles developed legs, their tails became shorter and disappeared, and that the tadpoles became frogs.)
(The children; should have observed; eggs developed into tadpoles) Context(The children should have observed,List([0, 33))):(their tails; became; shorter) (the tadpoles; became; frogs) (eggs; developed; into tadpoles) (their tails; disappeared; )
The children should have observed,List([0, 33))
The children their tails the tadpoles eggs their tails
should have observed became became developed disappeared
eggs developed into tadpoles
shorter
frogs
into tadpoles