One man leaves a four-door blue building while another man enters it.
A man leaves a building.
One man who leaves is a man who leaves.
exists e1 p1 s1 s2 x1 x2.(exists e2 x3.(Theme(e2,x1) & Actor(e2,x3) & v_enter(e2) & n_man(x3) & -(x3 = x1)) & n_thing(x1) & n_man(x1) & n_man(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & n_building(x2) & a_blue(s2) & Theme(s2,x2) & a_four-door(s1) & Theme(s1,x2) & card_eq_1(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & n_building(x2) & n_man(x1))