A group of people with white hats outside cooking.
The people are barbecuing some meat.
Cooking does not have to mean barbecuing some meat.
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & with(x2,x3) & outside(x3,x4) & n_cooking(x4) & n_hat(x3) & a_white(s1) & Theme(s1,x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_barbecue(e1) & n_meat(x2))