A man in a gray suit sits on stage bowing a nail violin while two black microphones record the sound.
A man is wearing a black suit
A man in a gray suit sits on stage bowing a nail and other one is wearing a black suit
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(for(e1,e2) & while(e2,x6) & n_sound(x8) & (x6 = x8) & n_record(x6) & of(x6,x7) & n_microphone(x7) & a_black(s2) & Theme(s2,x6) & card_eq_2(x6) & Theme(e2,x4) & Actor(e2,x1) & v_bow(e2) & n_violin(x4) & of(x4,x5) & n_nail(x5) & on(e1,x3) & n_stage(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_suit(x2) & a_gray(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_suit(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))