Is the oven to the left or to the right of the fridge?
The oven is to the left of the fridge.
    src        edge_attr  dst
0     3  to the right of    8
1     5        on top of    6
2     7  to the right of    9
3     7  to the right of    8
4     8   to the left of    3
5     8   to the left of    7
6     8  to the right of    9
7     8   to the left of   10
8     9   to the left of    7
9     9   to the left of    8
10   10  to the right of    8
11   11  to the right of   12
12   12   to the left of   11