Assertion: nymph | /r/AtLocation | the surface
Facets:
value: in order to breed
type: PURPOSE
value: for their metamorphosis into insects
type: PURPOSE
Source sentences:
text: In order to breed, these nymphs must come to the surface for their metamorphosis into insects, and this means leaving the safety of the rock, mud or weed, and floating up to the surface at the mercy of the currents, or crawling onto dry riverbanks, rocks or fallen tree branches.