Three white men singing and performing on stage at a concert.
The three white men are bound and gagged.
If the men are singing and performing, then they cannot be bound and gagged.
exists e1 e2 s1 s2 x1 x2 x3 x4.(at(e2,x4) & n_concert(x4) & on(e2,x3) & n_stage(x3) & Actor(e2,x2) & v_perform(e2) & n_man(x2) & a_white(s2) & Theme(s2,x2) & card_eq_3(x2) & Actor(e1,x1) & v_sing(e1) & n_man(x1) & a_white(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e2 e1 s1 s2 x1.(n_man(x1) & a_white(s2) & Theme(s2,x1) & card_eq_3(x1) & a_white(s1) & Theme(s1,x1) & Theme(e2,x1) & v_gag(e2) & Theme(e1,x1) & v_bind(e1))