What is the computer mouse made of?
The mouse is made of plastic.
    src        edge_attr  dst
0     0               on    1
1     0             near    7
2     0  to the right of    5
3     2               on    1
4     2  to the right of    9
5     2   to the left of    5
6     3   to the left of    7
7     3               of    7
8     4  to the right of    9
9     4  to the right of    8
10    4   to the left of   10
11    5   to the left of    0
12    5  to the right of    9
13    5  to the right of    2
14    7               on    1
15    7  to the right of    3
16    7             near    0
17    8               on    1
18    8   to the left of    4
19    8   to the left of   10
20    8  to the right of    9
21    9               on    1
22    9   to the left of    2
23    9   to the left of    4
24    9   to the left of    5
25    9   to the left of    8
26    9   to the left of   10
27   10  to the right of    4
28   10  to the right of    8
29   10  to the right of    9