What's on the table?
The snowboard is on the table.
    src        edge_attr  dst
0     1               on    0
1     2               on    5
2     2   to the left of    6
3     2   to the left of    4
4     3   to the left of    4
5     3   to the left of    6
6     4  to the right of    9
7     4               on    5
8     4  to the right of    2
9     4  to the right of   10
10    4  to the right of    7
11    4  to the right of    3
12    6  to the right of    9
13    6  to the right of    3
14    6  to the right of    2
15    7   to the left of    4
16    9   to the left of    6
17    9   to the left of    4
18   10   to the left of    4
19   11               on    0