Several people sit by a campfire in the darkness.
A group of people are around a campire roasting marshmallows.
People sitting by a campfire does not imply that they are roasting marshmallows.
exists e1 s1 x1 x2 x3.(n_darkness(x3) & in(e1,x3) & by(e1,x2) & n_campfire(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1 x2.(exists e1 x3 x4 x5.(around(x1,x3) & Theme(e1,x5) & Actor(e1,x4) & v_roast(e1) & n_marshmallow(x5) & (x3 = x4) & n_campire(x3)) & of(x1,x2) & n_people(x2) & n_group(x1))