Who is on the boat?
The people are on the boat.
    src        edge_attr  dst
0     2      standing on    5
1     2          wearing    8
2     2       leaning on    5
3     2        on top of    5
4     2  to the right of    6
5     2  to the right of    4
6     2               on    5
7     4      standing on    9
8     4          wearing    6
9     4   to the left of    2
10    4   to the left of    8
11    5               in    0
12    5       sitting on    0
13    5   on the side of    9
14    5         close to    1
15    5               at    9
16    6   to the left of    8
17    6   to the left of    2
18    8  to the right of    6
19    8  to the right of    4