Is the mug to the right of the keyboard?
Yes, the mug is to the right of the keyboard.
    src        edge_attr  dst
0     0  to the right of    4
1     1               of    2
2     1   to the left of    5
3     2   to the left of    5
4     2   to the left of    7
5     2               on    8
6     3   to the left of    5
7     3               of    2
8     4   to the left of    0
9     5  to the right of    2
10    5  to the right of    1
11    5  to the right of    3
12    5               on    8
13    6               of    2
14    7  to the right of    2