Are there both glasses and helmets in this picture?
Yes, there are both a helmet and glasses.
    src  edge_attr  dst
0     3    wearing    0
1     3    wearing    8
2     3         on   10
3     3    wearing    2
4     3    wearing    1
5     9  riding on    5
6     9    wearing    7
7     9    wearing    6
8     9    wearing    4
9     9         on    5
10    9         on   10