What type of appliance is mounted to the wall the curtain is on?
The appliance is a radiator.
    src        edge_attr  dst
0     0   to the left of    8
1     1               on    2
2     1   to the left of    3
3     1   to the left of   15
4     1   to the left of   17
5     2   to the left of   15
6     2   to the left of   17
7     2   to the left of    3
8     3  to the right of    1
9     3  to the right of    2
10    3   to the left of    6
11    3  to the right of   10
12    3  to the right of   11
13    3  to the right of   12
14    5  to the right of   15
15    6  to the right of    3
16    6  to the right of   15
17    7       mounted to   16
18    7  to the right of   18
19    7               on   18
20    8  to the right of    9
21    8  to the right of    0
22    8  to the right of   11
23    9            under   10
24    9   to the left of    8
25    9            below   10
26   10   to the left of   17
27   10   to the left of    3
28   10            above    9
29   11   to the left of   15
30   11   to the left of    3
31   11   to the left of    8
32   11   to the left of   17
33   12   to the left of   17
34   12   to the left of    3
35   15  to the right of   11
36   15   to the left of    5
37   15   to the left of    6
38   15  to the right of    1
39   15  to the right of    2
40   15   to the left of   16
41   16  to the right of   15
42   17  to the right of    2
43   17  to the right of    1
44   17  to the right of   10
45   17  to the right of   11
46   17  to the right of   12
47   18   to the left of    7