A man in costume is ringing a bell.
A man is playing an instrument.
The man is playing an instrument because he is ringing a bell.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ring(e1) & n_bell(x3) & in(x1,x2) & n_costume(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_man(x1))