Are there lighthouses or factories?
No, there are no factories or lighthouses.
     src        edge_attr  dst
0      0   to the left of   39
1      0               on    1
2      0   to the left of    2
3      2  to the right of   39
4      2  to the right of    0
..   ...              ...  ...
99    39          wearing   25
100   39          wearing   24
101   39  to the right of    0
102   39   to the left of    4
103   39   to the left of    2

[104 rows x 3 columns]