Is the black speaker to the left or to the right of the laptop computer on the table?
The speaker is to the right of the laptop.
    src        edge_attr  dst
0     1   to the left of    4
1     1   to the left of    2
2     2               on    6
3     2  to the right of    1
4     2   to the left of    4
5     3           beside    5
6     4  to the right of    2
7     4  to the right of    1
8     4  to the right of    5
9     4               on    6
10    5               on    6
11    5   to the left of    4