What is the room filled with?
The room is filled with chairs.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    8
2     0             near   11
3     1   to the left of    9
4     1   to the left of    7
5     1   to the left of   10
6     1   to the left of   13
7     1  to the right of    6
8     1  to the right of    8
9     3      filled with    0
10    4   to the left of   12
11    4  to the right of    9
12    4  to the right of   13
13    4  to the right of    7
14    4  to the right of   10
15    6  to the right of    8
16    6   to the left of    9
17    6   to the left of    1
18    6   to the left of   13
19    6  to the right of    0
20    7  to the right of    9
21    7   to the left of   12
22    7  to the right of   13
23    7  to the right of    1
24    7   to the left of    4
25    7   to the left of   10
26    8   to the left of    6
27    8   to the left of    1
28    8   to the left of    9
29    8  to the right of    0
30    9  to the right of    8
31    9   to the left of   13
32    9  to the right of    1
33    9   to the left of   10
34    9   to the left of    7
35    9  to the right of    6
36    9   to the left of    4
37   10   to the left of    4
38   10  to the right of    7
39   10  to the right of    1
40   10  to the right of   13
41   10  to the right of    9
42   10   to the left of   12
43   11          next to    0
44   12  to the right of    4
45   12  to the right of    7
46   12  to the right of   10
47   13  to the right of    6
48   13   to the left of    4
49   13   to the left of   10
50   13   to the left of    7
51   13  to the right of    1
52   13  to the right of    9