A man with long hair is drinking a beer.
A man drinking beer.
a man drinking a beer is the same as a man drinking beer
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.(a_topic(x1) & n_beer(x1) & of(x1,x3) & n_drinking(x3) & of(x1,x2) & n_man(x2))