Are the pants clean or dirty?
The pants are dirty.
    src        edge_attr  dst
0     2  to the right of   12
1     2  to the right of    6
2     2  to the right of   10
3     4         catching    2
4     5  to the right of    6
5     6   to the left of    2
6     6   to the left of   14
7     6   to the left of    5
8    10   to the left of    2
9    11   to the left of   16
10   12   to the left of    2
11   12   to the left of   14
12   13        on top of   12
13   14  to the right of   12
14   14  to the right of    6
15   16  to the right of   11