Assertion: fern | /r/HasProperty | recognisable
Facets:
value: easily
type: MANNER
value: because of their lace-like leaves
type: CAUSE
value: usually
type: DEGREE
Source sentences:
text: The fern is usually recognisable by the silver-white colour of the under-surface of mature fronds.
text: Ferns have been in existence for more than 300 million years, and are easily recognizable because of their lace-like leaves, known as fronds.