Assertion: leap year's day | /r/HasProperty | inserted in february
Facets:
Source sentences:
text: The additional day is inserted in February.
text: A leap year is a year with one extra day inserted into February, the leap year is 366 days with 29 days in February as opposed to the normal 28 days.
text: He added only 29 days in the month of February in a common year, and the intercalary day was inserted in February once every four years.