A little boy skateboarder is doing a trick on his board while another young skateboarder watches.
Two young boys are practicing together on their skateboards.
Just because a little boy skateboarder is doing a trick on his board while another young skateboarder watches does not mean they are practicing together.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(while(e1,x6) & n_watch(x6) & of(x6,x7) & n_skateboarder(x7) & a_young(s3) & Theme(s3,x6) & -(x6 = x5) & n_watch(x5) & of(x5,x1) & n_skateboarder(x1) & n_skateboarder(x1) & a_young(s2) & Theme(s2,x5) & Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & on(x3,x4) & n_board(x4) & of(x4,x1) & n_male(x1) & n_trick(x3) & of(x1,x2) & n_boy(x2) & a_little(s1) & Theme(s1,x1))
exists e1 p1 s1 x1 x2.(on(e1,x2) & n_skateboard(x2) & of(x2,x1) & n_thing(x1) & exists s2.(Theme(s2,x1) & a_together(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_practice(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))