Sterile worker wasps assist in building the nest, feeding young and defending the nest.
(Sterile worker wasps; assist; in building the nest) Context(Sterile worker wasps assist,List([0, 27))):(Sterile worker wasps; assist in building the nest defending; the nest)
Sterile worker wasps assist,List([0, 27))
Sterile worker wasps Sterile worker wasps
assist assist in building the nest defending
in building the nest
the nest