What is common to the box and the door?
The color, both the box and the door are white.
    src        edge_attr  dst
0     0  to the right of   15
1     1   to the left of   10
2     1  to the right of   15
3     3  to the right of    4
4     3   to the left of   13
5     4   to the left of    3
6     4   to the left of    7
7     4   to the left of   14
8     5  to the right of   14
9     5  to the right of   13
10    5  to the right of    9
11    5  to the right of   12
12    6  to the right of   15
13    6   to the left of    8
14    6        on top of   12
15    7  to the right of    4
16    8  to the right of   10
17    8  to the right of   12
18    8  to the right of   14
19    8  to the right of    6
20    9   on the side of   12
21    9   to the left of    5
22    9  to the right of   10
23    9  to the right of   11
24   10   on the side of   12
25   10  to the right of   11
26   10  to the right of    1
27   10   to the left of    8
28   10   to the left of    9
29   11   to the left of   13
30   11   to the left of    9
31   11   to the left of   10
32   12   to the left of    8
33   12   to the left of    5
34   13   to the left of    5
35   13  to the right of   11
36   13  to the right of    3
37   14  to the right of   15
38   14   to the left of    5
39   14  to the right of    4
40   14             near   15
41   14   to the left of    8
42   14             with    0
43   15   to the left of    1
44   15   to the left of    0
45   15   to the left of   14
46   15             near   14
47   15   to the left of    6