What device is to the left of the printer?
The device is a computer mouse.
    src        edge_attr  dst
0     0               on    8
1     0  to the right of    9
2     1  to the right of   13
3     1  to the right of   10
4     1               on    8
5     1  to the right of   11
6     2  to the right of   14
7     2   to the left of   11
8     2               on    8
9     2  to the right of    4
10    4   to the left of   14
11    4   to the left of    2
12    4   to the left of    5
13    5  to the right of   14
14    5  to the right of    4
15    6               on    8
16    8            above    9
17    9   to the left of    0
18    9            under    8
19   10   to the left of    1
20   11   to the left of    1
21   11  to the right of    2
22   13   to the left of    1
23   14               on    8
24   14   to the left of    5
25   14   to the left of    2
26   14  to the right of    4