Are there either trains or skis?
No, there are no trains or skis.
     src        edge_attr  dst
0      0      in front of   28
1      0  to the right of   17
2      0  to the right of   28
3      0  to the right of   26
4      2   to the left of   23
..   ...              ...  ...
124   30               of    4
125   30   to the left of   23
126   30   to the left of   26
127   30  to the right of    2
128   30   to the left of   17

[129 rows x 3 columns]