A man with long hair is drinking a beer.
A man drinking beer at bar.
The fact that a man drinking beer doesn't imply that he is drinking at bar.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_drink(e1) & n_beer(x3) & with(x1,x2) & n_hair(x2) & a_long(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2 x3 x4.(a_topic(x1) & at(x1,x4) & n_bar(x4) & n_beer(x1) & of(x1,x3) & n_drinking(x3) & of(x1,x2) & n_man(x2))