Which shape is the rug that is lying on the floor?
The rug is rectangular.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   11
2     1             near   12
3     1             near    4
4     1  to the right of    9
5     1  to the right of    4
6     1  to the right of    7
7     1          next to   10
8     2   to the left of    0
9     2         lying on   11
10    3        on top of    1
11    3  to the right of    7
12    3  to the right of    9
13    3  to the right of    8
14    4               in    5
15    4   to the left of    6
16    4   to the left of   13
17    4             near    1
18    4   to the left of    1
19    4   to the left of   12
20    6   to the left of   13
21    6  to the right of    4
22    7   to the left of   10
23    7   to the left of    3
24    7   to the left of    1
25    8  to the right of    9
26    8       hanging on    7
27    8   to the left of    3
28    8               on    7
29    9   to the left of    8
30    9   to the left of    1
31    9   to the left of    3
32    9   to the left of   10
33    9       hanging on    7
34   10             near    1
35   10  to the right of    9
36   10  to the right of    7
37   11   to the left of    0
38   12  to the right of    4
39   12               on   11
40   12       sitting in    6
41   12   to the left of   13
42   12          next to    1
43   13  to the right of   12
44   13  to the right of    6
45   13  to the right of    4