This guy is trying to perform new stunts and practicing for the big event.
A man is on a bus
guy with event is different from man in bus
exists e1 p1 s2 x1 x5.(n_event(x5) & a_big(s2) & Theme(s2,x5) & n_guy(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2 x3 x4.(for(e2,x5) & Theme(e2,x2) & Actor(e2,x1) & v_perform(e2) & n_practicing(x4) & n_stunt(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_new(s1) & Theme(s1,x2)))
exists p1 x1.(exists x2.(on(x1,x2) & n_bus(x2)) & n_man(x1))