What does the person in the lake wear?
The man wears glasses.
    src        edge_attr  dst
0     1   to the left of    5
1     1   to the left of    4
2     4               on    5
3     4  to the right of    7
4     4  to the right of    1
5     5               in    6
6     5  to the right of    1
7     5  to the right of    7
8     7               in    6
9     7   to the left of    5
10    7          wearing    1
11    7   to the left of    4