What is the boy sitting on?
The boy is sitting on the bed.
    src        edge_attr  dst
0     0           beside   17
1     0            below    3
2     0       underneath    3
3     0  to the right of   10
4     0  to the right of   18
5     1  to the right of    9
6     1   to the left of   18
7     1   to the left of   15
8     2  to the right of   12
9     2   to the left of    5
10    2   to the left of   18
11    3               on   14
12    3       hanging on   14
13    3            above    8
14    3  to the right of   10
15    3            above    0
16    4  to the right of   18
17    4  to the right of   10
18    5  to the right of   12
19    5  to the right of    2
20    5  to the right of   13
21    8  to the right of   10
22    8       underneath    3
23    9   to the left of    1
24   10   to the left of   20
25   10   to the left of   19
26   10   to the left of   16
27   10       sitting on   17
28   10   to the left of   21
29   10   to the left of    4
30   10   to the left of    8
31   10   to the left of    0
32   10   to the left of    3
33   12   to the left of    2
34   12   to the left of    5
35   12   to the left of   18
36   12   to the left of   15
37   13   to the left of    5
38   15            above   18
39   15               on   17
40   15  to the right of    1
41   15  to the right of   12
42   16  to the right of   10
43   18  to the right of   12
44   18   to the left of    0
45   18   to the left of    4
46   18  to the right of    2
47   18  to the right of    1
48   19  to the right of   10
49   20  to the right of   10
50   21  to the right of   10