Campers use coal and a lighter to cook their dinner over a fire.
There is a group of people camping and cooking dinner.
Group of people camping are also called campers and when camping cooking dinner is done over fire.
exists e1 p1 x1 x2 x3 x4 x5.(Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_use(e1) & exists e2 x6.(Theme(e2,x5) & Actor(e2,x1) & v_cook(e2) & over(x5,x6) & n_fire(x6)) & n_dinner(x5) & of(x5,x1) & n_thing(x1) & subset_of(x4,x2) & n_lighter(x4) & subset_of(x3,x2) & n_coal(x3) & n_camper(x1))
exists p1 x1 e2 e1 x2 x3 x4 x5 x6 x7.((x1 = x2) & Theme(e2,x7) & Actor(e2,x6) & v_cook(e2) & n_dinner(x7) & (x2 = x6) & Theme(e1,x5) & Actor(e1,x4) & v_camp(e1) & n_dinner(x5) & (x2 = x4) & of(x2,x3) & n_people(x3) & n_group(x2))