A boy in blue and white on rollerskates holds hockey stick with a black ball at the end of it.
A person on rollerskates.
in a both sentence a person holds hockey stick.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_end(x8) & with(e1,x7) & at(x7,x8) & of(x8,x1) & n_thing(x1) & n_ball(x7) & a_black(s2) & Theme(s2,x7) & Theme(e1,x6) & Actor(e1,x1) & v_hold(e1) & n_stick(x6) & a_hockey(s1) & Theme(s1,x6) & on(x1,x5) & n_rollerskate(x5) & in(x1,x2) & n_white(x4) & n_blue(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_boy(x1))
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_rollerskate(x2) & n_person(x1))