Three people on grass, one raking leaves, one mowing the lawn, another standing by a garbage bag.
Three people are outdoors.
To be on grass is to be outdoors.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_standing(x7) & n_lawn(x6) & Theme(e2,x4) & Actor(e2,x1) & v_leave(e2) & Theme(e1,x6) & Actor(e1,x5) & v_mow(e1) & rel(x6,x8) & by(x8,x9) & n_bag(x9) & of(x9,x10) & n_garbage(x10) & n_standing(x8) & -(x8 = x7) & (x4 = x5) & n_thing(x4) & card_eq_1(x4) & a_,(s1) & Theme(s1,x4) & on(x1,x2) & rel(x2,x3) & n_raking(x3) & card_eq_1(x3) & n_grass(x2) & n_people(x1) & card_eq_3(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_people(x1) & card_eq_3(x1))