Are the dogs on the right side?
Yes, the dogs are on the right of the image.
    src        edge_attr  dst
0     1               in    7
1     1  to the right of    8
2     1   to the left of    6
3     1   to the left of    3
4     1   to the left of    9
5     1   to the left of    4
6     3  to the right of    9
7     3          wearing    4
8     3       walking on    7
9     3  to the right of    1
10    3      followed by    9
11    4  to the right of    1
12    4  to the right of    9
13    6  to the right of    1
14    8      flying over    7
15    8   to the left of    1
16    9   to the left of    4
17    9        following    3
18    9   to the left of    3
19    9  to the right of    1