A marching procession of people in red and black playing instruments.
a marching procession digging a tunnel through the earth
One can't play instruments while digging a tunnel. Marching Processions don't usually dig tunnels
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_instrument(x3) & of(x3,x4) & n_playing(x4) & a_black(s2) & Theme(s2,x3) & a_red(s1) & Theme(s1,x3) & n_people(x2) & n_procession(x1) & Actor(e1,x1) & v_march(e1))
exists e1 e2 x1 x2 x3 x4.(n_earth(x4) & a_topic(x1) & through(e2,x4) & Theme(e2,x3) & Actor(e2,x2) & v_dig(e2) & n_tunnel(x3) & (x1 = x2) & n_procession(x1) & Actor(e1,x1) & v_march(e1))