I need to get to Medford by 7  30 what is the latest I can leave the house
O O O O O B-SL_DESTINATION B-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL  I-SL_DATE_TIME_ARRIVAL O O O O O O O B-SL_SOURCE_IN_GET_LOCATION_HOME I-SL_SOURCE_IN_GET_LOCATION_HOME