What is the boy to the right of the cart riding?
The boy is riding a bike.
    src        edge_attr  dst
0     1   to the left of   14
1     1   to the left of   11
2     2   to the left of   11
3     2   to the left of    3
4     2               on    4
5     2   to the left of   13
6     3          driving    4
7     3               on    4
8     3   to the left of   14
9     3  to the right of    2
10    3   to the left of   13
11    3   to the left of   11
12    4   to the left of   14
13    4   to the left of   11
14    4   to the left of   13
15    5  to the right of    6
16    5  to the right of    9
17    6   to the left of    5
18    6   to the left of   14
19    6   to the left of   12
20    7  to the right of    9
21    7  to the right of   10
22    8  to the right of   10
23    9   to the left of   14
24    9   to the left of    7
25    9   to the left of    5
26    9   to the left of   12
27   10               on   11
28   10   to the left of   14
29   10   to the left of   12
30   10   to the left of    8
31   10   to the left of    7
32   11  to the right of    2
33   11  to the right of    1
34   11  to the right of    3
35   11  to the right of    4
36   11  to the right of   13
37   12  to the right of    6
38   12           riding   11
39   12  to the right of   10
40   12  to the right of    9
41   13  to the right of    2
42   13   to the left of   14
43   13  to the right of    3
44   13  to the right of    4
45   13   to the left of   11
46   13               on   15
47   14  to the right of    9
48   14  to the right of    1
49   14           riding   11
50   14  to the right of    3
51   14               on   11
52   14  to the right of    6
53   14          wearing    5
54   14  to the right of    4
55   14  to the right of   13
56   14  to the right of   10