A woman and a man enjoying his drink on party night.
The man was out having a drink without the woman.
The man can't be enjoying a drink with the woman if she's not there.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & on(x4,x5) & n_night(x5) & of(x5,x6) & n_party(x6) & n_drink(x4) & of(x4,x1) & n_male(x1) & (x2 = x3) & n_man(x2) & subset_of(x1,s1) & n_woman(x1))
exists e1 s1 x1 x2 x3.(n_woman(x3) & n_man(x1) & for(s1,e1) & -with(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_drink(x2) & Theme(s1,x1) & a_out(s1))