Is the person sitting by a skateboard?
No, the person is sitting by the bicycle.
    src        edge_attr  dst
0     0               by    4
1     0  to the right of    6
2     0  to the right of    5
3     0  to the right of   21
4     0  to the right of   14
5     1  to the right of    8
6     4  to the right of    5
7     4  to the right of    6
8     5  to the right of   14
9     5   to the left of    4
10    5   to the left of    0
11    6       sitting on   11
12    6       sitting by   21
13    6       sitting on   16
14    6   to the left of    4
15    6   to the left of    0
16    6  to the right of    8
17    6  to the right of   14
18    8   to the left of    1
19    8   to the left of    6
20   10      flying over    4
21   12  to the right of   18
22   13  to the right of   17
23   14   to the left of    5
24   14   to the left of    6
25   14   to the left of    0
26   17   to the left of   13
27   18   to the left of   12
28   21         lying on   16
29   21   to the left of    0