Two kids running down a sand dune to the beach.
The kids are moving their legs.
Running involves moving their legs.
exists e1 s1 x1 x2 x3 x4 x5.(n_beach(x5) & a_topic(x1) & to(e1,x5) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_run(e1) & n_dune(x3) & of(x3,x4) & n_sand(x4) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_leg(x2) & of(x2,x1) & n_thing(x1) & n_kid(x1) & Theme(e1,x2) & Actor(e1,x1) & v_move(e1))