mexico having a traditional festival.
Mexico is having a non-traditional festival.
Mexico is having a festival which may be traditional or non-traditional.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_festival(x3) & a_traditional(s1) & Theme(s1,x3) & (x1 = x2) & n_mexico(x1))
exists e1 s1 x1 x2.(ne_org_mexico(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_festival(x2) & a_non-traditional(s1) & Theme(s1,x2))