Are there airplanes to the left of the people inside the museum?
No, the airplane is to the right of the people.
     src        edge_attr  dst
0      0       painted on    2
1      0   to the left of   25
2      0   to the left of   12
3      1   to the left of   18
4      1   to the left of   12
..   ...              ...  ...
117   31   to the left of   15
118   32  to the right of    7
119   32  to the right of   30
120   32  to the right of   27
121   32   to the left of   24

[122 rows x 3 columns]