The shelf that is to the left of the toilet is which color?
The shelf is yellow.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of    2
2     0   to the left of   14
3     1   to the left of   10
4     1  to the right of    2
5     2   to the left of    1
6     2  to the right of    0
7     2   to the left of   12
8     2   to the left of    4
9     4  to the right of    8
10    4  to the right of    2
11    4  to the right of   12
12    4  to the right of   11
13    4  to the right of   14
14    5  to the right of   13
15    5  to the right of   10
16    8   to the left of    4
17    8   to the left of    9
18    9  to the right of    8
19   10  to the right of    1
20   10   to the left of    5
21   10  to the right of   13
22   11   to the left of    4
23   12   to the left of    4
24   12               in    8
25   12               in    1
26   12  to the right of    0
27   12  to the right of    2
28   13   to the left of    5
29   13   to the left of   10
30   14   to the left of    4
31   14  to the right of    0