A street performer wearing no shirt is doing an act with fire.
The street performer is juggling with items that are on fire.
A street performer wearing no shirt is doing an act with fire don't necessarily imply that he is uggling with items that are on fire.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_do(e1) & with(x4,x5) & n_fire(x5) & n_act(x4) & -exists e2 x6.(Theme(e2,x6) & Actor(e2,x3) & v_wear(e2) & n_shirt(x6)) & (x1 = x3) & n_performer(x1) & of(x1,x2) & n_street(x2))
exists e1 p1 x1 x2 x3 x4.(n_performer(x1) & of(x1,x2) & n_street(x2) & with(e1,x3) & exists x5.(on(x4,x5) & n_fire(x5)) & (x3 = x4) & n_item(x3) & Actor(e1,x1) & v_juggle(e1))