Assertion: kitten | /r/CapableOf | go into heat
Facets:
Source sentences:
text: With millions of cats in shelters around the country, veterinarians are quick to recommend you spay or neuter any furry additions to your family, but for some pet parents, especially those who adopt a stray female, it’s not always easy to get kitty to the vet before she goes into heat and sometimes she may already be pregnant before you take her in.
text: At about 5 months old, kittens become sexually mature and can go into heat and multiply.