What is the color of the house on the left side?
The house is brown.
    src        edge_attr  dst
0     0   to the left of   17
1     0   to the left of    2
2     0   to the left of    5
3     1   to the left of    9
4     1  to the right of   13
5     2  to the right of   17
6     2  to the right of    0
7     2  to the right of    5
8     3  to the right of    5
9     5   to the left of    3
10    5  to the right of    0
11    5   to the left of    2
12    5   to the left of    7
13    5  to the right of   15
14    5   to the left of    8
15    7  to the right of    5
16    8  to the right of    5
17    9  to the right of    1
18    9   to the left of   12
19    9  to the right of   11
20    9  to the right of   16
21    9  to the right of   10
22    9  to the right of   13
23   10               in   11
24   10   to the left of    9
25   11   to the left of    9
26   12  to the right of    9
27   13               on   14
28   13   to the left of    1
29   13   to the left of    9
30   15   to the left of   17
31   15   to the left of    5
32   16   to the left of    9
33   17  to the right of    0
34   17  to the right of   15
35   17   to the left of    2