What is the napkin dispenser on?
The napkin dispenser is on the table.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    8
2     1   to the left of    6
3     1  to the right of    5
4     2  to the right of   13
5     3  to the right of   15
6     3  to the right of   13
7     3  to the right of   12
8     4               on    6
9     4  to the right of   10
10    5   to the left of    1
11    6  to the right of    1
12    6  to the right of   10
13    7  to the right of    0
14    7  to the right of   18
15    8  to the right of   18
16    8   parked next to    7
17    8  to the right of    0
18    8               by   14
19    9   to the left of   18
20   10   to the left of    4
21   10   to the left of    6
22   11  to the right of   15
23   11  to the right of   12
24   12   to the left of    3
25   12   to the left of   11
26   12   to the left of   16
27   13   to the left of    2
28   13   to the left of    3
29   13   to the left of   14
30   14  to the right of   13
31   15   to the left of   11
32   15   to the left of    3
33   15   to the left of   16
34   16  to the right of   12
35   16  to the right of   15
36   18  to the right of    9
37   18   to the left of    7
38   18   to the left of    8