Are there either motorcycles or light bulbs in this picture?
Yes, there is a motorcycle.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    1
2     1  to the right of    4
3     1  to the right of    3
4     1  to the right of    0
5     2   to the left of    5
6     3   to the left of    4
7     3   to the left of    1
8     3   to the left of    5
9     4  to the right of    3
10    4   to the left of    1
11    5           riding    7
12    5  to the right of    2
13    5  to the right of    3
14    6           riding    9
15    8  to the right of    0