Is there a door or a cabinet that is made of metal?
Yes, the doors are made of metal.
    src        edge_attr  dst
0     1   to the left of    5
1     1   to the left of   11
2     1  to the right of   19
3     1   to the left of   17
4     1   to the left of    8
5     2  to the right of    8
6     2  to the right of   15
7     2  to the right of   17
8     2  to the right of    5
9     3   to the left of    8
10    3  to the right of   19
11    3   to the left of   11
12    4  to the right of   19
13    5   to the left of    2
14    5  to the right of    1
15    5  to the right of    8
16    5  to the right of   11
17    5  to the right of   17
18    8  to the right of    3
19    8   to the left of   17
20    8   to the left of    2
21    8   to the left of    5
22    8  to the right of    1
23    9  to the right of   16
24   11   to the left of    5
25   11  to the right of    3
26   11  to the right of    1
27   11   to the left of   17
28   12  to the right of   16
29   14  to the right of   19
30   15   to the left of    2
31   16   to the left of    9
32   16   to the left of   12
33   17  to the right of    1
34   17  to the right of   11
35   17  to the right of    8
36   17   to the left of    5
37   17   to the left of    2
38   19   to the left of    4
39   19   to the left of    1
40   19   to the left of   14
41   19   to the left of    3