two skateboarders wearing their helmets riding down a street.
Two skateboarders wearing their helmets
skateboarders wearing their helmets wear helmets.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & down(e1,x5) & n_street(x5) & Actor(e1,x4) & v_ride(e1) & (x3 = x4) & n_helmet(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_skateboarder(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_skateboarder(x1) & card_eq_2(x1))