how early i need to leave in the morning so i can make it to downtown philly by 10am by train?
[IN:GET_ESTIMATED_DEPARTURE how early i need to leave [SL:DATE_TIME_DEPARTURE in the morning ] so i can make it to [SL:DESTINATION downtown philly ] [SL:DATE_TIME_ARRIVAL by 10 am ] by [SL:METHOD_TRAVEL train ] ? ]