Two people on a street; one sitting on the planter surrounding a tree.
They are walking through the fields.
They cannot be sitting and walking at the same time
exists e2 e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_planter(x6) & a_topic(x1) & on(x1,x2) & subset_of(x4,x2) & on(e1,x6) & Theme(e2,x8) & Actor(e2,x7) & v_surround(e2) & n_tree(x8) & (x6 = x7) & Actor(e1,x5) & v_sit(e1) & (x4 = x5) & n_thing(x4) & card_eq_1(x4) & subset_of(x3,x2) & n_street(x3) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_field(x2) & n_thing(x1) & through(e1,x2) & Actor(e1,x1) & v_walk(e1))