What is the phone on?
The telephone is on the nightstand.
    src        edge_attr  dst
0     0  to the right of    9
1     0               on    3
2     0  to the right of    1
3     0  to the right of    4
4     0  to the right of    6
5     1               on    4
6     1   to the left of    0
7     1   to the left of    6
8     1   to the left of    9
9     3  to the right of    4
10    3   to the left of    8
11    4   to the left of    8
12    4   to the left of    3
13    4   to the left of    0
14    4   to the left of    9
15    5               on    4
16    6               on    4
17    6   to the left of    0
18    6   to the left of    9
19    6  to the right of    1
20    8               on    2
21    8  to the right of    4
22    8  to the right of    3
23    9  to the right of    1
24    9   to the left of    0
25    9  to the right of    4
26    9  to the right of    6