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