all right would you let me know type of aircraft united airlines is using on the flights from denver to san francisco i would like to know the type of aircraft that they use on these flights before 10 in the morning
O O O O O O O O O O B-airline_name I-airline_name O O O O O O B-fromloc.city_name O B-toloc.city_name I-toloc.city_name O O O O O O O O O O O O O O O B-depart_time.time_relative B-depart_time.time O O B-depart_time.period_of_day