Are there any lamps?
Yes, there is a lamp.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    7
2     0   to the left of    6
3     1  to the right of    9
4     1   to the left of    5
5     1  to the right of   13
6     1  to the right of    4
7     2          holding   13
8     3   to the left of    4
9     3   to the left of    8
10    4           behind   10
11    4   to the left of    9
12    4   to the left of   12
13    4   to the left of    1
14    4  to the right of    3
15    5  to the right of    1
16    5  to the right of   12
17    6               on    7
18    6  to the right of    8
19    6  to the right of    0
20    6  to the right of   11
21    6  to the right of   14
22    6  to the right of   10
23    7  to the right of    8
24    7  to the right of   14
25    7             near    9
26    7            below   13
27    7  to the right of    0
28    8               on   10
29    8   to the left of    0
30    8  to the right of    3
31    8   to the left of    7
32    8   to the left of    9
33    8   to the left of    6
34    8   to the left of   14
35    9             near   10
36    9   to the left of    1
37    9             near    7
38    9               on    0
39    9  to the right of    4
40    9   to the left of   12
41    9  to the right of    8
42   10            below   13
43   10   to the left of    6
44   10             near    9
45   11               on   10
46   11   to the left of    6
47   12  to the right of    9
48   12  to the right of   14
49   12  to the right of    4
50   12               on    7
51   12   to the left of    5
52   13     hanging from    2
53   13            above    7
54   13   to the left of    1
55   13            above   10
56   14   to the left of    6
57   14   to the left of   12
58   14   to the left of    7
59   14  to the right of    8