how long is my travel time to my morning meeting at xerox from ben's house
[IN:GET_ESTIMATED_DURATION how long is my travel time to [SL:DESTINATION [IN:GET_EVENT [SL:ORGANIZER_EVENT my ] [SL:DATE_TIME morning ] [SL:CATEGORY_EVENT meeting ] at [SL:LOCATION [IN:GET_LOCATION [SL:POINT_ON_MAP xerox ] ] ] ] ] from [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT ben ] 's house ] ] ]