when should i leave home if i want to arrive at the cinema at 9 pm?
[IN:GET_ESTIMATED_DEPARTURE when should i leave [SL:SOURCE [IN:GET_LOCATION_HOME home ] ] if i want to arrive at [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the cinema ] ] ] [SL:DATE_TIME_ARRIVAL at 9 pm ] ? ]