There is two people laying on the pavers sidewalk and one is on top of the other.
Two people are outside on the ground.
A sidewalk is only found outside.
exists e1 p1 p2 x1 x2 x3 x6 x8.(n_other(x8) & n_paver(x6) & exists x7.(on(x3,x7) & of(x7,x8) & n_top(x7)) & n_thing(x3) & card_eq_1(x3) & Actor(e1,x1) & v_sidewalk(e1) & exists e2 x4 x5.((x2 = x4) & on(e2,x6) & Actor(e2,x5) & v_lay(e2) & (x4 = x5) & n_people(x4) & card_eq_2(x4)) & (x1 = x2))
exists s1 x1 x2.(n_ground(x2) & on(s1,x2) & Theme(s1,x1) & a_outside(s1) & n_people(x1) & card_eq_2(x1))