Are there both trains and windows in this picture?
Yes, there are both a window and a train.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    8
2     0  to the right of    4
3     0  to the right of    1
4     0  to the right of    7
5     0   to the left of    5
6     1  to the right of    3
7     1  to the right of    4
8     1   to the left of    0
9     1  to the right of    8
10    1  to the right of    7
11    2   to the left of    4
12    2   to the left of    8
13    2   to the left of    7
14    2   to the left of    3
15    3   to the left of    1
16    3   to the left of    0
17    3   to the left of    8
18    3  to the right of    7
19    3  to the right of    4
20    3  to the right of    2
21    4   to the left of    3
22    4   to the left of    8
23    4   to the left of    0
24    4  to the right of    2
25    4   to the left of    1
26    5  to the right of    0
27    7   to the left of    0
28    7   to the left of    1
29    7  to the right of    2
30    7   to the left of    8
31    7   to the left of    3
32    8  to the right of    2
33    8  to the right of    4
34    8  to the right of    3
35    8  to the right of    7
36    8   to the left of    0
37    8   to the left of    1
38    8               of    6