Assertion: gull | /r/CapableOf | demonstrate aggression
Facets:
value: during the breeding period
type: TEMPORAL
value: by displaying their bright red gapes
type: MANNER
value: toward one another
type: TRANSITIVE-OBJECT
Source sentences:
text: But, during the breeding period, the gulls will demonstrate aggression toward one another by displaying their bright red gapes or making jerking movements.