Several people watch a daredevil on a quad ride a wheelie down the street.
People watch a daredevil approach a ramp.
The daredevil is not necessarily approaching a ramp.
exists s1 x1 x2 x5.(n_street(x5) & all x3.(n_wheelie(x3) -> exists e1 s2 x4.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & on(x2,x4) & down(x4,x5) & for(x4,x3) & n_ride(x4) & a_quad(s2) & Theme(s2,x4))) & n_daredevil(x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists x1.(all x2.(n_ramp(x2) -> exists e1 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & for(x3,x2) & n_approach(x3) & of(x3,x4) & n_daredevil(x4))) & n_people(x1))