Are there both helmets and fences in the image?
Yes, there are both a helmet and a fence.
     src        edge_attr  dst
0      1  to the right of    8
1      1   to the left of   26
2      2   to the left of   11
3      2  to the right of   13
4      2   to the left of   28
..   ...              ...  ...
145   28  to the right of   22
146   28  to the right of   27
147   28   to the left of   26
148   28   to the left of   25
149   28   to the left of   24

[150 rows x 3 columns]