Are there any cameras?
Yes, there is a camera.
    src        edge_attr  dst
0     1   to the left of    7
1     1   to the left of    9
2     1   to the left of   10
3     5          wearing    9
4     5   to the left of    6
5     6  to the right of    8
6     6  to the right of    5
7     6  to the right of    9
8     7  to the right of    1
9     8   to the left of    6
10    9   to the left of    6
11    9  to the right of    1
12   10  to the right of    1
13   11       covered by   12
14   12         covering   11
15   14          holding   13