Is there any giraffe or fence?
Yes, there is a giraffe.
    src        edge_attr  dst
0     0           eating    5
1     0  to the right of    5
2     1  to the right of    3
3     1  to the right of    4
4     2   to the left of    5
5     2   to the left of    3
6     3   to the left of    1
7     3  to the right of    2
8     4   to the left of    1
9     5  to the right of    2
10    5   to the left of    0
11    7               of    6