A group of people are outside, roasting marshmallows in a fire.
A group of people on a shuttle to Risa.
If people are on a shuttle, they can't be outside roasting marshmallows in a fire.
exists e1 s1 x1 x2 x3 x4.(for(s1,e1) & in(e1,x4) & n_fire(x4) & Theme(e1,x3) & Actor(e1,x1) & v_roast(e1) & n_marshmallow(x3) & Theme(s1,x1) & a_outside(s1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists x1 x2 x3 x4.(ne_geo_risa(x4) & a_topic(x1) & of(x1,x2) & on(x2,x3) & to(x3,x4) & n_shuttle(x3) & n_people(x2) & n_group(x1))