Do you see curtains to the right of the device the man is holding?
Yes, there is a curtain to the right of the controller.
     src        edge_attr  dst
0      0   to the left of    2
1      0               by   10
2      0  to the right of   20
3      0   to the left of   21
4      0  to the right of   12
..   ...              ...  ...
192   30   to the left of   17
193   31   to the left of    0
194   31   to the left of   16
195   31   to the left of   19
196   31   to the left of   17

[197 rows x 3 columns]