A man with backpack stands in front of a brown brick wall.
The man with the backpack is waiting outside of an apartment building.
The man is not necessarily waiting outside an apartment building.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(x1,x2) & in(x2,x4) & of(x4,x5) & n_wall(x5) & of(x5,x6) & n_brick(x6) & a_brown(s1) & Theme(s1,x5) & n_front(x4) & n_stand(x2) & of(x2,x3) & n_backpack(x3) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_backpack(x2) & n_man(x1) & of(e1,x3) & n_building(x3) & of(x3,x4) & n_apartment(x4) & r_outside(e1) & Actor(e1,x1) & v_wait(e1) & with(x1,x2))