What does the man ride?
The man rides a bike.
    src        edge_attr  dst
0     3  to the right of    9
1     4   to the left of    9
2     4   to the left of    7
3     6   to the left of    9
4     6   to the left of    7
5     7               on    0
6     7  to the right of   10
7     7  to the right of    4
8     7  to the right of    6
9     7  to the right of    8
10    8   to the left of    7
11    8   to the left of    9
12    9   to the left of    3
13    9  to the right of    4
14    9  to the right of    6
15    9  to the right of    8
16    9  to the right of   10
17   10   to the left of    9
18   10           riding    6
19   10   to the left of    7