Men in the business suits are crossing the street, and there are people with placards are gathering on the street.
Men are in a building working while people with placards sit in a hotel lobby.
One cannot be crossing the street while in a building.
exists e1 e2 p1 x1 x2 x3 x4 x5 x6.(n_street(x4) & n_street(x4) & n_suit(x2) & of(x2,x3) & n_business(x3) & on(e2,x4) & Actor(e2,x5) & v_gather(e2) & exists x7 x8.((x6 = x7) & with(x7,x8) & n_placard(x8) & n_people(x7)) & (x5 = x6) & Theme(e1,x4) & Actor(e1,x1) & v_cross(e1) & in(x1,x2) & n_man(x1))
exists e1 p1 p2 x1.(for(p1,e1) & exists e2 x3 x4 x5 x6.(in(e2,x5) & n_lobby(x5) & of(x5,x6) & n_hotel(x6) & Actor(e2,x3) & v_sit(e2) & with(x3,x4) & n_placard(x4) & n_people(x3)) & while(e1,p2) & Actor(e1,x1) & v_work(e1) & exists x2.(in(x1,x2) & n_building(x2)) & n_man(x1))