sentences: 10 to 30 seconds is a short amount of time
docs: minute is 60_seconds. minute has sixty_seconds_in hour has 60_minutes moments is small_increments_of_time. earth_minuit is 60_seconds_long. earth_hour is 60_minuits_long. hour is 60_minutes. each_minute has 60_seconds moment is time. 30_minutes is single.