What is the color of the container to the right of the bus?
The box is gray.
    src        edge_attr  dst
0     1  to the right of   17
1     1   to the left of    2
2     2  to the right of   11
3     2  to the right of    1
4     2  to the right of   17
5     2  to the right of    3
6     3   to the left of    2
7     4   to the left of   17
8     4   to the left of   11
9     4   to the left of   14
10    6   to the left of   17
11    6   to the left of   19
12    7   to the left of   17
13    7               on    6
14    8   to the left of   17
15    8             near    9
16    9          next to    8
17    9             near    8
18   10  to the right of   12
19   11   to the left of    2
20   11  to the right of    4
21   11   to the left of   19
22   11  to the right of   14
23   11  to the right of   16
24   12   to the left of   19
25   12   to the left of   10
26   14   to the left of   11
27   14   to the left of   17
28   14   to the left of   19
29   14  to the right of    4
30   15   to the left of   19
31   16   to the left of   11
32   16   to the left of   17
33   17  to the right of    7
34   17  to the right of   16
35   17  to the right of   14
36   17  to the right of    8
37   17  to the right of    6
38   17  to the right of    4
39   17   to the left of    2
40   17   to the left of    1
41   19  to the right of   11
42   19  to the right of   14
43   19  to the right of    6
44   19  to the right of   12
45   19  to the right of   15