People eating in an upscale deli.
People engaging in a food fight
The people cannot be eating and having a food fight.
exists e1 s1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_deli(x3) & a_upscale(s1) & Theme(s1,x3) & Actor(e1,x2) & v_eat(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_fight(x3) & of(x3,x4) & n_food(x4) & Actor(e1,x2) & v_engage(e1) & (x1 = x2) & n_people(x1))