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