Which shape does the wireless phone on top of the table have?
The phone has rectangular shape.
    src        edge_attr  dst
0     0   to the left of    9
1     0  to the right of    6
2     0               on    1
3     0  to the right of   15
4     2               on    1
5     2   to the left of   10
6     2  to the right of    7
7     2  to the right of    4
8     2  to the right of   14
9     2   to the left of   11
10    2  to the right of   13
11    3   to the left of   13
12    4   to the left of   14
13    4   to the left of    2
14    4   to the left of    8
15    4               on    1
16    4   to the left of   12
17    5        on top of    1
18    5               on    1
19    5   to the left of    6
20    5   to the left of   15
21    6   to the left of    0
22    6  to the right of    5
23    6  to the right of   15
24    7   to the left of    2
25    8  to the right of    4
26    9  to the right of    0
27   10  to the right of   14
28   10   to the left of   11
29   10  to the right of    2
30   11  to the right of   14
31   11  to the right of    2
32   11  to the right of   10
33   12               on    1
34   12  to the right of    4
35   13        on top of    1
36   13   to the left of    2
37   13  to the right of    3
38   13   to the left of   14
39   14   to the left of   11
40   14   to the left of   10
41   14  to the right of    4
42   14   to the left of    2
43   14  to the right of   13
44   15        on top of    1
45   15   to the left of    0
46   15   to the left of    6
47   15  to the right of    5