When should I leave for my 8am appointment at the U of M?
[IN:GET_ESTIMATED_DEPARTURE When should I leave for [SL:DESTINATION [IN:GET_EVENT [SL:ORGANIZER_EVENT my ] [SL:DATE_TIME 8 am ] [SL:CATEGORY_EVENT appointment ] at [SL:LOCATION [IN:GET_LOCATION [SL:POINT_ON_MAP the U of M ] ] ] ] ] ? ]