Two people on dirt bikes jumping dirt ramps with several people in the background.
There are people outdoors
Being on dirt bikes jumping dirt ramps would only occur outdoors.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x8) & a_topic(x1) & on(x1,x2) & with(e1,x7) & in(x7,x8) & n_people(x7) & a_several(s1) & Theme(s1,x7) & Theme(e1,x5) & Actor(e1,x4) & v_jump(e1) & n_ramp(x5) & of(x5,x6) & n_dirt(x6) & (x2 = x4) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_people(x1) & card_eq_2(x1))
exists p1 x1 x2 x3.((x1 = x2) & Time(x2,x3) & n_outdoors(x3) & n_people(x2))