guy playing two instruments at one time.
The man is playing the trumpet and piano.
WE DO NOT KNOW IF THE MAN IS PLAYING THE TRUMPET AND PIANO AS HIS TWO INSTRUMENTS.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_time(x4) & card_eq_1(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_instrument(x3) & card_eq_2(x3) & (x1 = x2) & n_guy(x1))
exists e1 x1 x2 x3 x4.(n_piano(x4) & n_trumpet(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))