Is the wall behind a man?
Yes, the wall is behind a man.
     src        edge_attr  dst
0      0  to the right of   13
1      0  to the right of    6
2      0   to the left of   17
3      0   to the left of   14
4      0  to the right of    7
..   ...              ...  ...
105   19  to the right of    7
106   19  to the right of    6
107   19  to the right of   10
108   19   to the left of   14
109   19   to the left of   17

[110 rows x 3 columns]