Is there either a zebra or a hippo in this photo?
Yes, there is a zebra.
    src        edge_attr  dst
0     0  to the right of   16
1     1   to the left of   15
2     2   to the left of   19
3     3   to the left of   16
4     3   to the left of   17
5     3  to the right of    7
6     3   to the left of   18
7     4   to the left of   10
8     4   to the left of   15
9     5   to the left of   19
10    5   to the left of    6
11    6  to the right of    5
12    7  to the right of    9
13    7   to the left of   17
14    7   to the left of    3
15    8  to the right of   13
16    9   to the left of   15
17    9   to the left of    7
18    9   to the left of   14
19    9   to the left of   12
20    9   to the left of   10
21   10  to the right of    9
22   10               of   15
23   10        on top of   15
24   10  to the right of    4
25   10   to the left of   14
26   11  to the right of   16
27   12  to the right of    9
28   12   to the left of   17
29   13   to the left of    8
30   14        on top of   15
31   14  to the right of    9
32   14   to the left of   17
33   14  to the right of   10
34   15  to the right of    4
35   15  to the right of    9
36   15               in   19
37   15  to the right of    1
38   16   to the left of    0
39   16   to the left of   11
40   16  to the right of    3
41   16   to the left of   18
42   17  to the right of    3
43   17  to the right of   12
44   17  to the right of   14
45   17  to the right of    7
46   18  to the right of   16
47   18  to the right of    3
48   19  to the right of    2
49   19  to the right of    5