A man on a bike is looking at what a man is selling on the street.
A man is outside on the street.
Both sentence are talking about man.
exists e1 x1 x2 x5.(n_street(x5) & exists e2 x3 x4.(n_thing(x3) & at(e1,x3) & on(e2,x5) & Theme(e2,x3) & Actor(e2,x4) & v_sell(e2) & n_man(x4)) & Actor(e1,x1) & v_look(e1) & on(x1,x2) & n_bike(x2) & n_man(x1))
exists s1 x1 x2.(n_street(x2) & on(s1,x2) & Theme(s1,x1) & a_outside(s1) & n_man(x1))