A group of people watch someone play with fire.
Some people are watching a campfire.
To watch someone play with fire does not imply watching a campfire.
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & with(e1,x5) & n_fire(x5) & Actor(e1,x4) & v_play(e1) & (x3 = x4) & n_person(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_campfire(x2) & n_people(x1))