What item of furniture is to the left of the mat?
The piece of furniture is a bed.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    4
2     0               on    2
3     0   to the left of   11
4     3               on    2
5     3  to the right of    0
6     3   to the left of   11
7     3  to the right of    5
8     4   to the left of   11
9     4  to the right of    0
10    4               on    2
11    5   to the left of    3
12    5               on    2
13    5   to the left of   11
14    6  to the right of   13
15    7   to the left of    8
16    7   to the left of   11
17    8  to the right of   13
18    8  to the right of   12
19    8  to the right of    7
20   11  to the right of    3
21   11  to the right of    4
22   11  to the right of    0
23   11  to the right of    5
24   11  to the right of    7
25   12   to the left of    8
26   13   to the left of    8
27   13   to the left of    6