When is the best time to leave if I'd like to get to my friends house by 4 o'clock this afternoon?
[IN:GET_ESTIMATED_DEPARTURE When is the best time to leave if I'd like to get to [SL:DESTINATION [IN:GET_LOCATION_HOME [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION friends ] house ] ] [SL:DATE_TIME_ARRIVAL by 4 o'clock this afternoon ] ? ]