BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T070313Z
DTSTART:20251213T150000Z
DTEND:20251213T220000Z
SUMMARY:english-comprehension
LOCATION:
END:VEVENT
END:VCALENDAR