A man acting out a strange stage show.
No one is on stage.
A man cannot be acting out a strange show if no one is on stage
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & a_out(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_act(e1) & n_show(x3) & of(x3,x4) & n_stage(x4) & a_strange(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
-exists p1 x1.(exists x2.(on(x1,x2) & n_stage(x2)) & n_one(x1))