One small child is climbing a tree near a body of water while another child walks away.
There are children playing by a river.
the water could be any body of water not just a river.
exists e1 p1 s1 x1 x2 x3 x4.(exists e2 s2 x5.(a_away(s2) & Manner(e2,s2) & Actor(e2,x5) & v_walk(e2) & n_child(x5) & -(x5 = x1)) & n_child(x1) & n_child(x1) & while(e1,p1) & near(e1,x3) & of(x3,x4) & n_water(x4) & n_body(x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_tree(x2) & a_small(s1) & Theme(s1,x1) & card_eq_1(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & by(e1,x4) & n_river(x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_child(x2))