Assertion: vireo's song | /r/HasProperty | pleasant
Facets:
value: usually
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: Their songs are very pleasant to listen to and sometimes a challenge to identify, because they are known to mimic other bird species.
text: Songs are usually rather simple, monotonous in some species of the Caribbean littoral and islands, and most elaborate and pleasant to human ears in the Chocó vireo and the peppershrikes.