A man stands on stage with a fireworks going off beside of him.
The man is sitting on the stage.
You cannot be sitting and standing at the same time.
exists e2 e1 s1 x1 x2 x3 x4.(on(e1,x2) & with(x2,x3) & of(e2,x1) & n_male(x1) & r_beside(e2) & a_off(s1) & Manner(e2,s1) & Actor(e2,x4) & v_go(e2) & (x3 = x4) & n_firework(x3) & n_stage(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2.(n_stage(x2) & n_man(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))