Assertion: leap year's month | /r/HasAspect | 28 days
Facets:
value: in common years
type: TEMPORAL
Source sentences:
text: Today, the month of February has 28 days in common years and 29 days in leap years.
text: 11 of the months have either 30 or 31 days, while the second month, February, has only 28 days during the common year.