Three people walk on grass adjacent to a river.
There are people walking near a river.
ADJACENT MEANS NEAR.
exists e1 s1 x1 x2 x3 x4.(on(e1,x2) & to(s1,x4) & n_river(x4) & Theme(s1,x3) & a_adjacent(s1) & (x2 = x3) & n_grass(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & card_eq_3(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & near(e1,x4) & n_river(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2))