A motocross rider performs a trick in the air at a stadium as the sun sets.
A motocross rider works on their bike's engine at a stadium as the sun sets.
The rider cannot perform a trick at the same time he works on the bike.
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_sun(x6) & n_air(x4) & exists e2.(Actor(e2,x6) & v_set(e2)) & as(e1,p1) & at(e1,x5) & n_stadium(x5) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_trick(x3) & n_rider(x1) & of(x1,x2) & n_motocross(x2))
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_sun(x6) & exists e2.(Actor(e2,x6) & v_set(e2)) & as(e1,p1) & at(e1,x5) & n_stadium(x5) & on(e1,x4) & n_engine(x4) & of(x4,x3) & n_bike(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x1) & v_work(e1) & n_rider(x1) & of(x1,x2) & n_motocross(x2))