How is the weather?
It is sunny.
    src        edge_attr  dst
0     1               on    0
1     2               by    7
2     2  to the right of   11
3     4               on    0
4     5               by    0
5     6               by    0
6     6      in front of    7
7     7               by    6
8     7           behind    6
9     7               by    2
10    8               on    0
11    9               on    0
12    9               by    4
13   11   to the left of    2