Two people begin to run down a sand bank.
Two people running at a beach
The beach is not the only place where sand is located.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_begin(e1) & exists e2 s1 x2 x3.(a_down(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_run(e2) & n_bank(x2) & of(x2,x3) & n_sand(x3)) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))