Are there both ovens and refrigerators in the picture?
No, there is a refrigerator but no ovens.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of   16
2     0   to the left of    8
3     1   to the left of   20
4     1  to the right of    0
..  ...              ...  ...
84   20  to the right of   14
85   20  to the right of   16
86   20  to the right of    1
87   20  to the right of   18
88   20  to the right of    2

[89 rows x 3 columns]