What is the camera on?
The camera is on the shelf.
    src        edge_attr  dst
0     0               on   11
1     0   to the left of   10
2     0  to the right of    5
3     0   to the left of    8
4     0  to the right of    6
5     1   to the left of   12
6     2  to the right of    3
7     2  to the right of    9
8     2  to the right of   13
9     3   to the left of    2
10    3               on   12
11    5  to the right of    6
12    5   to the left of    0
13    5   to the left of   10
14    5   to the left of    8
15    6               on    4
16    6   to the left of    5
17    6   to the left of    0
18    8  to the right of   10
19    8  to the right of    5
20    8  to the right of    0
21    9               on    7
22    9   to the left of    2
23    9   to the left of   13
24   10  to the right of    0
25   10  to the right of    5
26   10   to the left of    8
27   11               on   12
28   12  to the right of    1
29   13   to the left of    2
30   13               on    7
31   13  to the right of    9