A young adult is painting an advertisement on the side of a building.
A person is getting messy.
Someone painting advertisements on the side of a building does not necessarily mean they are getting messy.
exists e1 s1 x1 x2 x3 x4.(n_side(x3) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & on(x2,x3) & of(x3,x4) & n_building(x4) & n_advertisement(x2) & n_adult(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_messy(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_person(x1))