Some people are sitting around a fire and drinking.
Some people are at a bonfire party.
Just because they are drinking around a fire does not make it a bonfire party.
exists e1 x1 x2 x3 x4.(around(e1,x2) & n_drinking(x4) & n_fire(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists p1 x1.(exists s1 x2.(at(x1,x2) & n_party(x2) & a_bonfire(s1) & Theme(s1,x2)) & n_people(x1))