A group of people sit on blankets at a gathering.
A group of people sit on blankets at a concert.
Sentence two may be talking about different people
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_gathering(x4) & on(e1,x3) & n_blanket(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_concert(x4) & on(e1,x3) & n_blanket(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))