Assertion: typhoon | /r/HasProperty | one of them
Facets:
value: during the season
type: TEMPORAL
value: to undergo explosive deepening
type: PURPOSE
Source sentences:
text: Typhoon is one of them.
text: The typhoon was one of only two during the season to undergo explosive deepening, which is a decrease in barometric pressure of ≥2.5 mbar per hour for a period of at least 12 hours.