What is common to the athletic shoe and the helmet?
The color, both the athletic shoe and the helmet are blue.
     src        edge_attr  dst
0      0   to the left of   18
1      0   to the left of   17
2      0   to the left of    9
3      0          wearing   16
4      0          wearing    2
..   ...              ...  ...
137   23  to the right of   15
138   24  to the right of    5
139   24  to the right of   10
140   24  to the right of   19
141   24  to the right of   22

[142 rows x 3 columns]