A man with white hair is drinking.
A man is drinking a can of beer.
There is no indication the man is drinking a can of beer.
exists p1 s1 x1 x2.(exists x3.((x1 = x3) & n_drinking(x3)) & with(x1,x2) & n_hair(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_drink(e1) & of(x2,x3) & n_beer(x3) & n_can(x2) & n_man(x1))