Is the container to the left or to the right of the refrigerator?
The container is to the left of the refrigerator.
    src        edge_attr  dst
0     0   to the left of    3
1     0  to the right of    1
2     1   to the left of    0
3     1   to the left of    3
4     1  to the right of    5
5     1   to the left of    4
6     2  to the right of   11
7     2   to the left of    3
8     2  to the right of    6
9     3  to the right of   12
10    3  to the right of    4
11    3  to the right of    2
12    3  to the right of    7
13    3               on    3
14    3  to the right of   10
15    3  to the right of    9
16    3  to the right of    1
17    3  to the right of    0
18    4   to the left of    3
19    4  to the right of    1
20    5   to the left of    1
21    6   to the left of    2
22    6               on   11
23    7   to the left of    3
24    9   to the left of   10
25    9   to the left of    3
26   10   to the left of    3
27   10  to the right of    9
28   11   to the left of    2
29   12   to the left of    3