A young man is riding his bike on a ramp that is placed within a fenced area.
A BMX rider performs trick jumps to prepare for an event.
A young man riding his bike on a ramp does not imply a BMX rider performs trick jumps to prepare for an event.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(on(e1,x3) & within(e2,x5) & n_area(x5) & a_fenced(s2) & Theme(s2,x5) & Theme(e2,x4) & v_place(e2) & (x3 = x4) & n_ramp(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & Topic(x3,p1) & exists e2 x5.(for(e2,x5) & n_event(x5) & Actor(e2,x3) & v_prepare(e2)) & n_jump(x3) & of(x3,x4) & n_trick(x4) & n_rider(x1) & (x1 = x2) & ne_org_bmx(x2))