Is the happy man on the white motorcycle?
Yes, the man is on the motorbike.
    src        edge_attr  dst
0     0       sitting on    3
1     0   to the left of    4
2     0   to the left of    2
3     0   to the left of    8
4     0   to the left of    7
5     0               on    3
6     0   to the left of    1
7     0   to the left of   20
8     0   to the left of   12
9     1  to the right of    0
10    1  to the right of    8
11    1  to the right of    5
12    1          holding    2
13    2  to the right of    8
14    2  to the right of    0
15    4  to the right of   13
16    4  to the right of    0
17    5   to the left of    7
18    5   to the left of    8
19    5  to the right of    9
20    5  to the right of   18
21    5  to the right of   11
22    5  to the right of   16
23    5   to the left of    1
24    6               on    3
25    7  to the right of    8
26    7  to the right of    0
27    7  to the right of    5
28    8  to the right of    0
29    8  to the right of    5
30    8   to the left of    2
31    8   to the left of    1
32    8  to the right of   11
33    8  to the right of   18
34    8   to the left of    7
35    9               of    0
36    9   to the left of    5
37   10  to the right of   15
38   10               on    3
39   11               of    0
40   11   to the left of    8
41   11  to the right of   16
42   11   to the left of    5
43   12  to the right of    0
44   12               on    3
45   13   to the left of    4
46   15   to the left of   10
47   16   to the left of   11
48   16   to the left of    5
49   18   to the left of    8
50   18   to the left of    5
51   20  to the right of    0