A group of people walking through a park with signs.
The group of people are protesting inside the White House.
One who is walking is usually not protesting. There is either a park or the White House.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & with(e1,x5) & n_sign(x5) & through(e1,x4) & n_park(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(ne_org_house(x3) & (x3 = x4) & ne_org_white(x4) & n_group(x1) & inside(e1,x3) & Actor(e1,x1) & v_protest(e1) & of(x1,x2) & n_people(x2))