Assertion: leap year's month | /r/HasAspect | 30 or 31 days
Facets:
Source sentences:
text: All the other months have 30 or 31 days, but February suffered from the ego of Roman Emperor Caesar Augustus, says Stewart.
text: The other 11 months all have 30 or 31 days –
text: While all the other months in the calendar have 30 or 31 days, February only has 28.
text: All the other months in the Julian calendar have 30 or 31 days, but February lost out to the ego of Roman Emperor Caesar Augustus.