A group of patriotic people are celebrating.
The group is fighting with eachother
The people cannot be celebrating and fighting simultaneously.
exists e1 s1 x1 x2.(Actor(e1,x1) & v_celebrate(e1) & of(x1,x2) & n_people(x2) & a_patriotic(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(n_group(x1) & with(e1,x2) & n_eachother(x2) & Actor(e1,x1) & v_fight(e1))