A young girl is sipping on a can of diet Coca Cola.
the girl is not enjoying her warm drink
A girl does not have to be young.  A warm drink does not have to be a diet Coca Cola.
exists e1 s1 x1 x2 x3 x4 x5.(ne_per_cola(x3) & (x3 = x5) & ne_per_coca(x5) & of(x3,x4) & n_diet(x4) & on(e1,x2) & of(x2,x3) & n_can(x2) & Actor(e1,x1) & v_sip(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists s1 x1 x2.(n_drink(x2) & a_warm(s1) & Theme(s1,x2) & of(x2,x1) & n_female(x1) & n_girl(x1) & -exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1)))