A marching band line stands and waits in full uniform.
A marching band sits on the bleachers practicing their instruments.
The band either sits or stands. The band can't do both at the same time.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x4,s1) & in(x4,x5) & n_uniform(x5) & a_full(s2) & Theme(s2,x5) & n_wait(x4) & subset_of(x1,s1) & n_stand(x1) & of(x1,x3) & n_line(x3) & of(x1,x2) & n_band(x2) & Actor(e1,x1) & v_march(e1))
exists e2 e1 e3 x1 x2 x3.(n_instrument(x3) & of(x3,x2) & n_thing(x2) & n_bleacher(x2) & for(e2,e3) & Theme(e3,x3) & Actor(e3,x1) & v_practice(e3) & on(e2,x2) & Actor(e2,x1) & v_sit(e2) & n_band(x1) & Actor(e1,x1) & v_march(e1))