Which kind of animal is the rock behind of?
The rock is behind the lamb.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    5
2     0               of   10
3     2  to the right of    5
4     2  to the right of    6
..  ...              ...  ...
67   16   to the left of    6
68   16               on    9
69   17               of   10
70   17  to the right of    6
71   17  to the right of    5

[72 rows x 3 columns]