Is the water dirty?
No, the water is clean.
    src        edge_attr  dst
0     1             near    3
1     3             near    1
2     4               of   13
3     5               of   13
4     8               of   13
5     8  to the right of   10
6     8   to the left of   11
7     9               of   13
8     9  to the right of   12
9    10   to the left of    8
10   10   to the left of   14
11   11  to the right of    8
12   12               of   13
13   12   to the left of    9
14   13          wearing   14
15   13               on    7
16   14  to the right of   10