Do you see either any black ovens or pots?
Yes, there is a black oven.
   src        edge_attr  dst
0    0               in    4
1    0  to the right of    2
2    1               on    5
3    1  to the right of    2
4    2   to the left of    4
5    2   to the left of    0
6    2   to the left of    1
7    4               in    5
8    4  to the right of    2
9    6               in    5