What color do you think is the door?
The door is green.
    src        edge_attr  dst
0     0          next to   13
1     0  to the right of    8
2     0             near   13
3     1  to the right of   10
4     2   to the left of   11
5     2  to the right of    5
6     2  to the right of    4
7     2  to the right of    9
8     3      in front of    7
9     3      in front of    8
10    3       driving on   13
11    3               on   13
12    3            below   15
13    3  to the right of    7
14    4  to the right of    7
15    4   to the left of    9
16    4   on the side of    3
17    4   to the left of    2
18    4   to the left of    5
19    5   to the left of   11
20    5   on the side of    3
21    5  to the right of    4
22    5   to the left of    2
23    7   to the left of    4
24    7           behind    3
25    7   to the left of    3
26    8           behind    3
27    8               on    0
28    8   to the left of    0
29    9   on the side of    3
30    9   to the left of    2
31    9   to the left of   11
32    9  to the right of    4
33   10   to the left of    1
34   11  to the right of    9
35   11  to the right of    5
36   11  on the front of    3
37   11  to the right of    2
38   13             near    0
39   15            above    3