Are there both cheese and salad in this picture?
No, there is salad but no cheese.
     src        edge_attr  dst
0      0   to the left of   35
1      0   to the left of    1
2      0   to the left of    7
3      1   to the left of   40
4      1  to the right of    0
..   ...              ...  ...
158   39  to the right of   34
159   39  to the right of   36
160   39  to the right of    7
161   40  to the right of    1
162   40   to the left of    9

[163 rows x 3 columns]