[BA#graph1_on_BA284
     [BA#BA284,
          pm#from_place: #San_Francisco,
          pm#to_place: #London,
          pm#departure_time: 15:55,
          pm#arrival_time: 10:10,
          #day_of_the_week: {any #day_of_the_week}]
](28/02/2001);