Are there any giraffes in front of the green bush?
No, there is an elephant in front of the bush.
    src        edge_attr  dst
0     0   to the left of    7
1     1   to the left of    4
2     1  to the right of    3
3     1  to the right of    2
4     2  to the right of    3
5     2   to the left of    1
6     3  to the right of    8
7     3   to the left of    2
8     3   to the left of    1
9     4  to the right of    1
10    6           behind   11
11    7  to the right of    0
12    7  to the right of    9
13    8   to the left of    3
14    8   to the left of    9
15    9  to the right of    8
16    9   to the left of    7
17   11      in front of    6