Does that extinguisher have round shape and red color?
Yes, the extinguisher is round and red.
     src       edge_attr  dst
0      0  to the left of   26
1      0  to the left of    9
2      0  to the left of   18
3      1  to the left of   26
4      2              on    8
..   ...             ...  ...
123   26  to the left of   10
124   26  to the left of   14
125   26  to the left of   15
126   26  to the left of   16
127   26  to the left of   17

[128 rows x 3 columns]