Is the person that is to the right of the trailer riding a bike?
Yes, the person is riding a bike.
    src        edge_attr  dst
0     0  to the right of    4
1     3  to the right of   12
2     4  to the right of    7
3     4   to the left of    0
4     4   to the left of    5
5     5  to the right of    4
6     5          wearing    0
7     6   to the left of    7
8     6  to the right of   14
9     6   to the left of    8
10    7   to the left of    4
11    7  to the right of    6
12    7  to the right of    9
13    7   to the left of   10
14    7  to the right of   14
15    8          wearing   13
16    8           riding    7
17    8          wearing    3
18    8  to the right of    6
19    8  to the right of    9
20    9   to the left of   12
21    9   to the left of    7
22    9  to the right of   14
23    9   to the left of    8
24   10  to the right of    7
25   12   to the left of    3
26   12  to the right of    9
27   14   to the left of    6
28   14   to the left of    9
29   14   to the left of    7