A man wearing a scarf around his head is playing a flute outside.
A man wearing a hat is playing a banjo on a stage.
A man would not be wearing both a scarf and a hat around his head.  One would not be playing a flute and a banjo at the same time.  Not all stages are outside.
exists e1 e2 x1 x2 x3 x4 x5 x6.(Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_outside(x5) & of(x5,x6) & n_flute(x6) & around(e1,x4) & n_head(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_scarf(x3) & (x1 = x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & on(x4,x5) & n_stage(x5) & n_banjo(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x1 = x2) & n_man(x1))