What is the color of the metal fence to the left of the house?
The fence is black.
    src        edge_attr  dst
0     0           behind    3
1     0   to the left of    6
2     0  to the right of   17
3     0   to the left of   10
4     0               in    8
..  ...              ...  ...
66   17   to the left of    6
67   17   to the left of   12
68   17   to the left of    0
69   18               on    3
70   18               on    4

[71 rows x 3 columns]