A snowboarder goes down a short hill next to stairs.
person practicing for big race
Not everyone participating in athletics is practicing. Not everyone who is practicing is doing so in preparation for a big race.
exists e1 s1 x1 x2 x3.(to(e1,x3) & n_stair(x3) & r_next(e1) & down(e1,x2) & n_hill(x2) & a_short(s1) & Theme(s1,x2) & Actor(e1,x1) & v_go(e1) & n_snowboarder(x1))
exists s1 x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_race(x3) & a_big(s1) & Theme(s1,x3) & Time(x1,x2) & n_practicing(x2) & n_person(x1))