What is the bear on?
The bear is on the ice.
    src        edge_attr  dst
0     0            above    7
1     0               on    4
2     0      in front of   10
3     0       walking on    4
4     1   to the left of    5
5     1   to the left of    2
6     2  to the right of    1
7     4             near    7
8     5  to the right of    1
9     5  to the right of   12
10    5   to the left of    6
11    6  to the right of    5
12    7             near    4
13   10           behind    0
14   12   to the left of    5