If I want to get from work to the birthday party by 6 , when should I leave .
O O O O O O B-SL_SOURCE_IN_GET_LOCATION_WORK O B-SL_DESTINATION_IN_GET_EVENT_SL_CATEGORY_EVENT I-SL_DESTINATION_IN_GET_EVENT_SL_CATEGORY_EVENT I-SL_DESTINATION_IN_GET_EVENT_SL_CATEGORY_EVENT B-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL O O O O O O