What color is the sky?
The sky is blue.
    src        edge_attr  dst
0     0               on   15
1     0   to the left of    4
2     0  to the right of    1
3     0      in front of    5
4     0  to the right of    8
5     1   to the left of    6
6     1   to the left of    7
7     1   to the left of    0
8     1   to the left of   13
9     1   to the left of   10
10    1           behind    5
11    2           behind    5
12    2  to the right of    8
13    2   to the left of   13
14    3  to the right of    4
15    4  to the right of    0
16    4  to the right of   10
17    4   to the left of    3
18    4           behind   12
19    5           behind    0
20    5      in front of    1
21    5           behind   15
22    5      in front of    2
23    6  to the right of    8
24    6             near    7
25    6   to the left of   10
26    6               on   15
27    6   to the left of    7
28    6  to the right of    1
29    7  to the right of    8
30    7      standing by    6
31    7  to the right of    6
32    7             near    6
33    7  to the right of    1
34    8   to the left of   10
35    8   to the left of    6
36    8   to the left of    2
37    8   to the left of   13
38    8   to the left of    7
39    8   to the left of    0
40    9             near   15
41   10  to the right of    6
42   10  to the right of    1
43   10   to the left of    4
44   10  to the right of    8
45   11               by    3
46   12      in front of    4
47   13  to the right of    8
48   13  to the right of    1
49   13  to the right of    2
50   15          next to    9
51   15      in front of    5
52   15             near    9
53   16               on   12