What color is the water the man swims in?
The water is green.
    src        edge_attr  dst
0     1          wearing    0
1     1               in   14
2     1  to the right of    2
3     1      swimming in   13
4     2               in   14
5     2               in    7
6     2   to the left of    1
7     2   to the left of    9
8     2   to the left of   14
9     3   to the left of   10
10    5  to the right of    8
11    6   to the left of    8
12    8  to the right of    6
13    8   to the left of    5
14    9  to the right of    2
15   10  to the right of   11
16   10  to the right of    3
17   10               of    2
18   11   to the left of   10
19   14  to the right of    2