Assertion: american crow | /r/HasProperty | their calls
Facets:
value: easily
type: MANNER
value: with a little practice
type: CAUSE
Source sentences:
text: With a little practice American crows and common ravens can easily be distinguished by their calls.
text: With a little practice American crows and common ravens can easily be distinguished by their calls.
text: With a little practice American crows and common ravens can easily be distinguished by their calls.