A blond woman in a long dress sings while a man plays trumpet.
The woman in the dress fires a gun at the man with the trumpet.
The woman has blonde hair or the hair is not described.  The dress is long or not described.  The woman would not sing while the man is playing a trumpet and fire a gun at the man simultaneously.
exists p1 p2 p3 s1 s2 x1 x2 x3.(for(p1,x1) & exists x6.n_event(x6) & exists e1 x4 x5.(Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_trumpet(x5) & n_man(x4)) & while(p2,p3) & in(x1,x2) & n_sing(x2) & of(x2,x3) & n_dress(x3) & a_long(s2) & Theme(s2,x2) & n_woman(x1) & a_blond(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5.(n_trumpet(x5) & n_man(x4) & n_dress(x2) & n_woman(x1) & at(e1,x4) & with(x4,x5) & Theme(e1,x3) & Actor(e1,x1) & v_fire(e1) & n_gun(x3) & in(x1,x2))