What time should I leave for Boston if I want to arrive before the end of the day .
O O O O O O B-SL_DESTINATION O O O O O B-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL O