How long will it take Jon to get to my house if he leaves at 8pm?
[IN:GET_ESTIMATED_DURATION How long will it take [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT Jon ] ] ] to get to [SL:DESTINATION [IN:GET_LOCATION_HOME [SL:CONTACT my ] house ] ] if he leaves [SL:DATE_TIME_DEPARTURE at 8 pm ] ? ]