On which side are the books?
The books are on the right of the image.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of   10
2     0  to the right of    7
3     0  to the right of    3
4     0  to the right of    5
5     1               on    2
6     1   to the left of   19
7     1            below   18
8     2   to the left of    9
9     2   to the left of   19
10    3            above    7
11    3            above   15
12    3  to the right of   19
13    3   to the left of    0
14    3  to the right of   12
15    3  to the right of    9
16    5  to the right of   19
17    5   to the left of    6
18    5   to the left of    0
19    5               on    3
20    6  to the right of    5
21    7  to the right of    9
22    7            under    3
23    7   to the left of    0
24    9         watching    3
25    9       sitting on    8
26    9   to the left of    7
27    9  to the right of   11
28    9  to the right of    2
29    9   to the left of    3
30    9   to the left of   10
31    9   to the left of   15
32    9               on    8
33   10  to the right of   19
34   10  to the right of   12
35   10  to the right of    9
36   10   to the left of    0
37   11   to the left of   12
38   11   to the left of    9
39   12  to the right of   19
40   12   to the left of   10
41   12   to the left of    3
42   12  to the right of   11
43   15  to the right of    9
44   15            under    3
45   15   to the left of    0
46   18            above    1
47   18   to the left of   19
48   19  to the right of    1
49   19  to the right of   18
50   19  to the right of    2
51   19   to the left of   10
52   19   to the left of   12
53   19   to the left of    3
54   19   to the left of    5