Two young men in black punk rock clothing are sitting on the floor at a playground.
two men are jamming on stage with their band
Two young men in black punk rock clothing are sitting on the floor.  Two young men are not jamming on stage with their band.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_floor(x5) & at(e1,x6) & n_playground(x6) & on(e1,x5) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_clothing(x2) & of(x2,x4) & n_rock(x4) & of(x2,x3) & n_punk(x3) & a_black(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(on(e1,x2) & with(x2,x3) & n_band(x3) & of(x3,x1) & n_thing(x1) & n_stage(x2) & Actor(e1,x1) & v_jam(e1) & n_man(x1) & card_eq_2(x1))