Is the happy person wearing a helmet?
Yes, the man is wearing a helmet.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of    6
2     0   to the left of    3
3     0   to the left of    7
4     2   to the left of    9
5     2  to the right of    8
6     2   to the left of    4
7     3  to the right of    0
8     4  to the right of    2
9     4  to the right of    9
10    4             near   18
11    4  to the right of   11
12    5   to the left of   10
13    5   to the left of   18
14    6               of    7
15    6  to the right of    0
16    7  to the right of    0
17    7  to the right of   14
18    8   to the left of    9
19    8   to the left of   11
20    8   to the left of   17
21    8   to the left of    2
22    9   to the left of    4
23    9  to the right of    8
24    9  to the right of    2
25    9             near   10
26    9  to the right of   11
27   10   to the left of   18
28   10             near    9
29   10  to the right of    5
30   11               on    2
31   11   to the left of    4
32   11   to the left of    9
33   11  to the right of    8
34   14   to the left of    7
35   14   to the left of   15
36   15  to the right of   14
37   15               of    7
38   15  to the right of    0
39   17        riding on    7
40   17          wearing   11
41   17  to the right of    8
42   17          wearing   16
43   18  to the right of    5
44   18             near    4
45   18  to the right of   10