a man stands next to a bus.
A man is outside by a bus.
the man is outside which is stands next to a bus
exists e1 p1 x1.(exists s1 x2.(to(s1,x2) & n_bus(x2) & Theme(s1,x1) & a_next(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists s1 x1 x2.(by(s1,x2) & n_bus(x2) & Theme(s1,x1) & a_outside(s1) & n_man(x1))