What is the fence that is to the right of the giraffe made of?
The fence is made of wood.
    src        edge_attr  dst
0     0           behind   12
1     2  to the right of   11
2     2  to the right of    7
3     2  to the right of   12
4     2  to the right of   20
..  ...              ...  ...
93   20   to the left of    3
94   20  to the right of   14
95   20   to the left of   16
96   20           behind   12
97   20   to the left of   10

[98 rows x 3 columns]