What color is the device that is to the left of the clock?
The printer is silver.
    src        edge_attr  dst
0     0   to the left of   14
1     1   to the left of   11
2     1  to the right of   10
3     1               on    6
4     2   to the left of   11
5     2  to the right of   10
6     2  to the right of   12
7     2               on    6
8     3  to the right of    6
9     3               on    4
10    5   to the left of   11
11    6   to the left of   11
12    6   to the left of    3
13    7               on    6
14    7   to the left of   11
15    7  to the right of   10
16    9   to the left of   11
17    9               in    6
18   10               on    6
19   10   to the left of    1
20   10   to the left of    2
21   10   to the left of    7
22   11  to the right of    2
23   11  to the right of    9
24   11  to the right of    6
25   11  to the right of    7
26   11  to the right of    5
27   11  to the right of    1
28   12   to the left of    2
29   12   to the left of   13
30   13  to the right of   12
31   14  to the right of    0