What animal is in front of the wall?
The animal is a bear.
    src        edge_attr  dst
0     0      in front of    7
1     0   to the left of    5
2     0   to the left of    4
3     2  to the right of   13
4     2  to the right of    5
5     3      in front of    7
6     4  to the right of    0
7     5  to the right of    0
8     5  to the right of   11
9     5   to the left of    2
10    7           behind    3
11   11   to the left of    5
12   11   to the left of   14
13   13   to the left of    2
14   13   to the left of   14
15   14  to the right of   11
16   14  to the right of   13