What color is the garbage bin near the stairs?
The garbage bin is green.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    3
2     0   to the left of    1
3     1  to the right of   15
4     1  to the right of    0
5     2  to the right of   11
6     2  to the right of   19
7     3   to the left of    0
8     3   to the left of   13
9     3               on    4
10    4   to the left of   16
11    4  to the right of    7
12    4   to the left of   20
13    4   to the left of   13
14    4   to the left of    0
15    6   to the left of   20
16    7             near   11
17    7          next to   11
18    7   to the left of   19
19    7   to the left of    4
20    8  to the right of   13
21    9  to the right of   16
22   11             near   14
23   11   to the left of    2
24   11             near    7
25   12  to the right of   20
26   13  to the right of    4
27   13  to the right of    3
28   13   to the left of    8
29   14  to the right of   19
30   14             near   11
31   15   to the left of    1
32   16   to the left of    9
33   16  to the right of    4
34   18  to the right of   19
35   19   to the left of    2
36   19  to the right of    7
37   19   to the left of   18
38   19   to the left of   14
39   20  to the right of    4
40   20  to the right of    6
41   20   to the left of   12