A marching band with dancers performing on a football field
The marching band is on the field.
A marching band performing on a field is on the field.
exists e2 e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & on(e2,x4) & n_field(x4) & of(x4,x5) & n_football(x5) & Actor(e2,x3) & v_perform(e2) & (x2 = x3) & n_dancer(x2) & n_band(x1) & Actor(e1,x1) & v_march(e1))
exists p1 x1 x2 x3.(n_field(x3) & n_band(x1) & of(x1,x2) & n_marching(x2) & on(x1,x3))