Assertion: predicate's subject | /r/HasProperty | the lake
Facets:
Source sentences:
text: Here, was is a linking verb (an inflected form of be) that equates the predicate nominative phrase a tranquil pool, with the head noun, pool, to the subject, the lake (with head noun lake).
text: In this example tranquil is a predicative adjective linked through the verb is (another inflected form of be) to the subject the lake.