The guy to the left of the boat is sitting on what?
The guy is sitting on the bench.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    3
3     0       playing in    7
4     1  to the right of    0
5     1   to the left of    4
6     1       sitting on    2
7     2  to the right of    0
8     2   to the left of    4
9     2   to the left of    5
10    3   to the left of   10
11    3   to the left of    6
12    3   to the left of    8
13    3       sitting on    2
14    3  to the right of    0
15    4  to the right of    5
16    4  to the right of   10
17    4  to the right of    2
18    4  to the right of    1
19    5   to the left of    4
20    5  to the right of    2
21    6  to the right of    3
22    6  to the right of   11
23    6  to the right of   12
24    6  to the right of   13
25    8  to the right of    3
26   10  to the right of    3
27   10   to the left of    4
28   11   to the left of    6
29   12   to the left of    6
30   13   to the left of    6