Is the balcony above a truck?
No, the balcony is above a bus.
     src        edge_attr  dst
0      0  to the right of   20
1      0   to the left of   13
2      0   to the left of   19
3      0  to the right of    5
4      0  to the right of   16
..   ...              ...  ...
122   20   to the left of    5
123   20  to the right of    8
124   20  to the right of   12
125   20  to the right of   18
126   20   to the left of    0

[127 rows x 3 columns]