A snowboarder crashes into another.
A snowboarder crashes into an older snowboarder.
Not all snowboarders are older.
exists e1 x1 x2.(into(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_crash(e1) & n_snowboarder(x1))
exists e1 s1 x1 x2.(into(e1,x2) & n_snowboarder(x2) & r_more(s1) & a_older(s1) & Theme(s1,x2) & Actor(e1,x1) & v_crash(e1) & n_snowboarder(x1))