Assertion: immigrant's visa | /r/HasProperty | valid
Facets:
value: for 6 months
type: TEMPORAL
Source sentences:
text: Each year, the U.S. State Department issued a limited number of visas; only those immigrants who could present valid visas were permitted entry.
text: Since these limits are based on visa issuance rather than entries into the United States, and immigrant visas are valid for 6 months, there is not total correspondence between these two occurrences.