The papers to the right of the laptop computer are sitting on what?
The papers are sitting on the desk.
    src        edge_attr  dst
0     1  to the right of    3
1     2  to the right of    7
2     2  to the right of    4
3     2  to the right of    8
4     2  to the right of    9
5     2  to the right of    3
6     2               on    9
7     2       sitting on    4
8     3   to the left of    6
9     3   to the left of    2
10    3   to the left of    1
11    3               on    6
12    4  to the right of    8
13    4   to the left of    2
14    6  to the right of    3
15    7   to the left of    2
16    8   to the left of    2
17    8   to the left of    4
18    8   to the left of    9
19    9   to the left of    2
20    9  to the right of    8