Assertion: leap year's month | /r/HasAspect | 30 days
Facets:
Source sentences:
text: Some months have 30 days while others have 29 days.
text: However, their length is predetermined: months with uneven numbers have 30 days, while months with even numbers have 29 days.
text: Most of us know that not every month has 30 days.
text: The first 12 months have 30 days.