What is the bear in front of?
The bear is in front of the fence.
    src        edge_attr  dst
0     1  to the right of   17
1     1  to the right of   15
2     1           behind   13
3     3   to the left of   14
4     3   to the left of    7
5     4  to the right of   14
6     4  to the right of    9
7     6          beneath   13
8     6               in    5
9     6            below   13
10    6      in front of   13
11    7   to the left of   14
12    7  to the right of    3
13    8               on   11
14    9   to the left of    4
15    9  to the right of   14
16   13           behind    6
17   14  to the right of    3
18   14  to the right of    7
19   14   to the left of    9
20   14   to the left of    4
21   15   to the left of   16
22   15   to the left of    1
23   16  to the right of   17
24   16  to the right of   15
25   17               of    6
26   17   to the left of   16
27   17   to the left of    1