A man playing guitar and singing outdoors.
The man is playing a guitar while another plays the drums behind him.
Just because a man is playing a guitar and singing outdoors, does not mean that another plays the drums.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e2,x5) & Actor(e2,x4) & v_sing(e2) & n_outdoors(x5) & (x1 = x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2 x4.(n_male(x4) & n_drum(x4) & n_man(x1) & exists e2 x3.(behind(e2,x4) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_thing(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2))