The cat on the desk is what color?
The cat is gray.
    src        edge_attr  dst
0     0               on   12
1     0             near    3
2     0   to the left of    8
3     1               of   11
4     3             near    0
5     3  to the right of   13
6     3             near    4
7     4             near    3
8     4               on   12
9     6  to the right of   13
10    6  to the right of   16
11    7               of   11
12    8  to the right of    0
13    8               of   11
14    9               of   11
15   10  to the right of   16
16   11               on   12
17   12               of    5
18   13   to the left of    6
19   13          next to   16
20   13  to the right of   16
21   13   to the left of    3
22   14               of   11
23   15  to the right of   17
24   15               of   11
25   15  to the right of   19
26   16   to the left of   13
27   16   to the left of   10
28   16   to the left of    6
29   16             near   13
30   17               on   12
31   17   to the left of   15
32   18               of   11
33   19               on   12
34   19   to the left of   15