Is that mobile phone on top of a bed?
No, the mobile phone is on top of the table.
   src        edge_attr  dst
0    6        on top of    4
1    6  to the right of   10
2    7  to the right of    8
3    8   to the left of    7
4    9  to the right of   10
5   10   to the left of    9
6   10   to the left of    6
7   11           inside    3