Assertion: mermaid | /r/CapableOf | change their shapes
Facets:
value: in cornish tradition
type: OTHER
value: to walk on land
type: PURPOSE
value: at will
type: MANNER
Source sentences:
text: In Cornish tradition, Mermaids could change their shapes at will to walk on land, and were often said to entice mortal men to come and live with them.