Who is holding the large vehicle?
The man is holding the bus.
    src        edge_attr  dst
0     1  to the right of    6
1     1   to the left of   14
2     1   to the left of   13
3     2   to the left of   14
4     3  to the right of    6
5     5  to the right of    6
6     5   to the left of   13
7     6               on    9
8     6   to the left of    3
9     6   to the left of    1
10    6   to the left of    8
11    6   to the left of    5
12    6   to the left of   10
13    7   to the left of   14
14    8               on    7
15    8       leaning on    3
16    8   to the left of   14
17    8          holding    3
18    8           riding    7
19    8  to the right of    6
20    8   to the left of   13
21    8          wearing    4
22   10   to the left of   13
23   10  to the right of    6
24   11   to the left of   14
25   12   to the left of   14
26   13  to the right of   10
27   13  to the right of    8
28   13  to the right of    5
29   13  to the right of    1
30   14  to the right of    8
31   14  to the right of    1
32   14  to the right of    7
33   14  to the right of   11
34   14  to the right of   12
35   14  to the right of    2