Are there either mirrors or tennis balls in the image?
No, there are no tennis balls or mirrors.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    1
2     0  to the right of   11
3     1   to the left of    9
4     1   to the left of    0
5     3         carrying    2
6     3      standing on   12
7     3       walking on   12
8     3          wearing    1
9     3  walking towards    4
10    4             near   12
11    5   to the left of    0
12    7   to the left of    9
13    9  to the right of   11
14    9  to the right of    7
15    9  to the right of    1
16   11   to the left of    9
17   11   to the left of    0
18   12          next to    4