A man wearing a headset plays a unique instrument for a group of onlookers.
The man is swimming in the ocean.
The man who is swimming cannot be one who plays an instrument.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & for(x4,x5) & of(x5,x6) & n_onlooker(x6) & n_group(x5) & n_instrument(x4) & a_unique(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_headset(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_ocean(x2) & n_man(x1) & in(e1,x2) & Actor(e1,x1) & v_swim(e1))