Frogs and toads are easy to recognize since they lack tails, having tails only as tadpoles.
(Frogs and toads; are; easy to recognize; T:since they lack tails, having tails only as tadpoles) (they; lack; tails) Context(they lack,List([44, 53))):(they; lack tails having; tails; only as tadpoles)
they lack,List([44, 53))
Frogs and toads they they
are lack lack tails having
easy to recognize T:since they lack tails, having tails only as tadpoles
tails
tails only as tadpoles