Three children running down a sidewalk next to a river.
The children are cleaning their room.
Three running versus unknown amount cleaning.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_run(e1) & to(x4,x5) & n_river(x5) & next(x3,x4) & n_thing(x4) & n_sidewalk(x3) & (x1 = x2) & n_child(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_room(x2) & of(x2,x1) & n_thing(x1) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1))