What is the man on?
The man is on the bike.
    src        edge_attr  dst
0     0  to the right of    6
1     4  to the right of   17
2     4   to the left of    5
3     4   to the left of    7
4     4  to the right of   16
5     4               on    8
6     4   to the left of    9
7     4   to the left of    6
8     5   to the left of    6
9     5  to the right of   11
10    5  to the right of    4
11    6  to the right of    4
12    6  to the right of   11
13    6   to the left of    0
14    6  to the right of    5
15    6  to the right of   13
16    7  to the right of    4
17    8  to the right of   17
18    8  to the right of   16
19    9  to the right of    4
20   11  to the right of   13
21   11   to the left of    6
22   11   to the left of    5
23   13   to the left of   11
24   13   to the left of    6
25   16   to the left of    4
26   16   to the left of    8
27   17   to the left of    8
28   17   to the left of    4