Where is the zebra standing?
The zebra is standing in the road.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    5
2     0   to the left of    9
3     1               on    2
4     4             near    7
5     5   to the left of    6
6     5  to the right of    0
7     6  to the right of    5
8     7      standing on    2
9     7          next to    4
10    7       walking on    2
11    7       walking to    9
12    7      standing by   11
13    7  to the right of    9
14    8  to the right of    0
15    9      standing on    2
16    9  to the right of    0
17    9      standing in    2
18    9   to the left of   10
19    9   to the left of    7
20   10  to the right of    9