Three people are setting inside a grass shelter.
Three people walk around the shelter
the people setting inside the shelter are not walk around it if they are inside it
exists e1 x1 x2 x3.(inside(e1,x2) & n_shelter(x2) & of(x2,x3) & n_grass(x3) & Actor(e1,x1) & v_set(e1) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_shelter(x2) & around(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & card_eq_3(x1))