A group of people standing on the lawn in front of a building.
People are waiting to go inside.
Just because people are standing on the lawn in front of a building does  not always mean that they are waiting to go inside.
exists e1 x1 x2 x3 x4 x5 x6.(n_lawn(x4) & a_topic(x1) & of(x1,x2) & in(e1,x5) & of(x5,x6) & n_building(x6) & n_front(x5) & on(e1,x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 s1.(a_inside(s1) & Manner(e2,s1) & Actor(e2,x1) & v_go(e2)) & n_people(x1))