What device is curved?
The device is a keyboard.
    src        edge_attr  dst
0     0           behind    7
1     0  to the right of    5
2     0   to the left of   10
3     0  to the right of    3
4     0  to the right of    1
5     0  to the right of    9
6     0  to the right of    8
7     1               on    2
8     1   to the left of    0
9     1   to the left of    8
10    1   to the left of    3
11    1   to the left of    5
12    1               on   11
13    1   to the left of    9
14    1   to the left of    4
15    1   to the left of    7
16    2   to the left of    6
17    3   to the left of   10
18    3   to the left of    0
19    3  to the right of    1
20    4  to the right of    1
21    5   to the left of    0
22    5  to the right of    1
23    5   to the left of   10
24    6               on   11
25    6  to the right of    2
26    7          wearing    4
27    7      in front of    0
28    7  to the right of    1
29    8   to the left of   10
30    8  to the right of    1
31    8   to the left of    0
32    9  to the right of    1
33    9   to the left of    0
34    9   to the left of   10
35   10  to the right of    0
36   10  to the right of    3
37   10  to the right of    5
38   10  to the right of    8
39   10  to the right of    9
40   10               of    7
41   11            above   10