Man in working clothes operates a rotating drum.
A man plays the drum.
The man cannot operate a rotating drum and be playing the drum simultaneously.
exists e1 e3 e2 x1 x2 x3 x4.(Actor(e3,x1) & v_drum(e3) & in(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_operate(e2) & n_rotating(x4) & (x2 = x3) & n_clothes(x2) & Actor(e1,x2) & v_work(e1) & n_man(x1))
exists e1 x1 x2.(n_drum(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))