Assertion: nightingale's singing | /r/HasProperty | heard
Facets:
value: at night
type: TEMPORAL
value: at dawn
type: TEMPORAL
value: at sunset
type: TEMPORAL
Source sentences:
text: The nightingale has not lost its popularity today - the bird, whose singing is heard at dawn and at sunset from spring to autumn.
text: The unusual singing of the nightingale can only be heard at night, when night singers perform their best repertoire.
text: The unusual singing of the nightingale can only be heard at night, when night singers perform their best repertoire.