Young adults enjoying a dinner party.
Young adults are drinking in a bar.
Enjoying a dinner party is not the same as drinking in a bar.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_party(x3) & of(x3,x4) & n_dinner(x4) & (x1 = x2) & n_adult(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_bar(x2) & Actor(e1,x1) & v_drink(e1) & n_adult(x1) & a_young(s1) & Theme(s1,x1))