Assertion: estrus | /r/HasProperty | the stage
Facets:
Source sentences:
text: Estrus, or heat, is the stage in a female dog's reproductive cycle during which she becomes receptive to mating with males.
text: Estrus, or heat, is the stage in a female dog's reproductive cycle during which she becomes receptive to mating with males.
text: Estrus is the stage when the dog can become pregnant.
text: Estrus is the stage when the female is receptive to the male.