Three people sit waiting in a lobby.
three peopel walk all through a business building
Sit is the opposite action of walk.
exists e2 e1 x1 x2.(for(e1,e2) & in(e2,x2) & n_lobby(x2) & Actor(e2,x1) & v_wait(e2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_3(x1))
all x1 x2 s1.(((x1 = x2) & n_walk(x2) & a_peopel(s1) & Theme(s1,x2) & card_eq_3(x2)) -> exists x3 x4.(a_topic(x1) & through(x1,x3) & n_building(x3) & of(x3,x4) & n_business(x4)))