Is there a zebra in the green grass?
No, there are boxes in the grass.
    src        edge_attr  dst
0     0               in    4
1     0   to the left of    6
2     1          next to    4
3     1             near    4
4     2          next to    4
5     2             near    4
6     2            below    4
7     2            under    4
8     4               in    8
9     4             near    2
10    4            above    2
11    4             near    1
12    4               on    8
13    6   to the left of    8
14    6  to the right of    0
15    8  to the right of    6
16    8  to the right of   11
17    9  to the right of   10
18    9               in    4
19   10   to the left of    9
20   11               on    6
21   11   to the left of    8