A group of people are at a fair playing a game.
An angry mob fights in a parking lot.
People who are playing a game are typically relaxed and following some rules, they would not be described as an angry mob who fights as angry mobs would not be relaxed and a mob fight follows no rules.
exists p1 x1 x2.(all x3.(n_game(x3) -> exists s1 x4.(at(x1,x4) & for(x4,x3) & n_playing(x4) & a_fair(s1) & Theme(s1,x4))) & of(x1,x2) & n_people(x2) & n_group(x1))
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_lot(x3) & of(x3,x4) & n_parking(x4) & n_fight(x1) & of(x1,x2) & n_mob(x2) & a_angry(s1) & Theme(s1,x1))