What is the black dog on the grass doing?
The dog is lying.
    src        edge_attr  dst
0     0  to the right of    3
1     1   to the left of    2
2     2               on    1
3     2  to the right of    1
4     3   to the left of    0
5     4               on    1
6     5   to the left of   11
7     6   to the left of    8
8     7               of    4
9     8  to the right of    9
10    8  to the right of    6
11    8  to the right of   11
12    8  to the right of   10
13    9   to the left of   11
14    9   to the left of    8
15    9               of    4
16   10   to the left of    8
17   11  to the right of    5
18   11  to the right of    9
19   11               of    4
20   11   to the left of    8