Two people on dirt bikes jumping dirt ramps with several people in the background.
The dirt bikes are brand new.
People ride dirt bikes does not imply the bikes are new.
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 s1 x1 x2.(n_bike(x1) & of(x1,x2) & n_dirt(x2) & r_brand(s1) & Theme(s1,x1) & a_new(s1))