What is on the sofa?
The remote control is on the sofa.
    src        edge_attr  dst
0     0            under    7
1     1  to the right of    8
2     1  to the right of    2
3     1  to the right of   12
4     1  to the right of    9
5     2   to the left of    1
6     3   to the left of   10
7     4   to the left of   11
8     6         lying on    0
9     6               on    0
10    7         lying on    0
11    7            above    0
12    7       looking at    6
13    8   to the left of    1
14    9   to the left of    1
15   10  to the right of    3
16   11  to the right of    4
17   12   to the left of    1