Assertion: sauna | /r/HasProperty | popular
Facets:
value: with people
type: OTHER
value: for a very long time
type: TEMPORAL
value: in europe
type: LOCATION
Source sentences:
text: Saunas have been used for thousands of years and are still popular today.
text: In Europe, saunas were popular starting at least in the Middle Ages.
text: Saunas have been popular with people for a very long time.