What's on the table?
The clock is on the table.
   src        edge_attr  dst
0    0  to the right of    8
1    4               on    5
2    4            above    5
3    4  to the right of   10
4    5            under    4
5    7               of    4
6    8   to the left of    0
7   10   to the left of    4