A runner in a race stops to tie his shoe.
A runner stopped running.
runner in a race stops means runner stopped running
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & Actor(e1,x1) & v_stop(e1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_tie(e2)) & n_shoe(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_race(x2) & n_runner(x1))
exists e1 p1 x1.(exists e2.(Actor(e2,x1) & v_run(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_stop(e1) & n_runner(x1))