Adults and children are sitting at tables eating.
They are having a cook-out.
You can not infer there is a cook-out.
exists e2 e1 x1 x2 x3 x4 x5.(at(e1,x4) & Actor(e2,x5) & v_eat(e2) & (x4 = x5) & n_table(x4) & Actor(e1,x1) & v_sit(e1) & n_child(x3) & n_adult(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_cook-out(x2))