Musicians play near a concrete wall.
Music is being played near the wall.
Music is played by musicians
exists s1 x1 x2 x3.(a_topic(x1) & near(x1,x3) & n_wall(x3) & a_concrete(s1) & Theme(s1,x3) & n_play(x1) & (x1 = x2) & ne_nam_musicians(x2))
exists e1 x1 x2.(n_wall(x2) & ne_nam_music(x1) & near(e1,x2) & Theme(e1,x1) & v_play(e1))