Is there a helmet that is black?
No, there is a helmet but it is red.
     src        edge_attr  dst
0      0  to the right of   11
1      0  to the right of    6
2      1  to the right of   11
3      1  to the right of   22
4      1  to the right of   18
..   ...              ...  ...
128   28   to the left of   18
129   28   to the left of   11
130   28   to the left of   24
131   28   to the left of   26
132   28   to the left of   22

[133 rows x 3 columns]