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