Are any skateboards observable?
Yes, there is a skateboard.
    src        edge_attr  dst
0     0   to the left of    7
1     0          wearing    2
2     0   to the left of    8
3     0   to the left of    1
4     1  to the right of    0
5     1  to the right of    4
6     1  to the right of    6
7     2  to the right of    9
8     4   to the left of    1
9     4   to the left of    5
10    4   to the left of    7
11    4   to the left of    8
12    5   to the left of    7
13    5  to the right of    4
14    6   to the left of    8
15    6   to the left of    1
16    7  to the right of    0
17    7  to the right of    4
18    7  to the right of    5
19    8  to the right of    0
20    8  to the right of    6
21    8  to the right of    4
22    9   to the left of    2