Do you see any black tables or chairs?
Yes, there is a black chair.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of    4
2     1   to the left of   16
3     3   to the left of    8
4     3   to the left of   17
5     4  to the right of    6
6     4  to the right of   12
7     4  to the right of   10
8     4   to the left of    8
9     4  to the right of    0
10    5   to the left of    8
11    5   to the left of   16
12    6   to the left of   14
13    6   to the left of    4
14    6   to the left of   12
15    7   to the left of    9
16    8  to the right of   14
17    8  to the right of    4
18    8  to the right of    9
19    8  to the right of   16
20    8  to the right of    5
21    8  to the right of    3
22    9  to the right of    7
23    9   to the left of    8
24    9   to the left of   17
25   10   to the left of   13
26   10   to the left of    4
27   10   to the left of   11
28   10   to the left of   12
29   11  to the right of   10
30   11   to the left of   16
31   11  to the right of   12
32   12   to the left of   11
33   12  to the right of   10
34   12  to the right of    6
35   12   to the left of    4
36   13   to the left of   16
37   13   to the left of   18
38   13  to the right of   10
39   14  to the right of    0
40   14   to the left of   17
41   14  to the right of    6
42   14   to the left of    8
43   14               on    9
44   16  to the right of   11
45   16  to the right of    5
46   16  to the right of    1
47   16   to the left of    8
48   16  to the right of   13
49   17  to the right of    3
50   17  to the right of    9
51   17  to the right of   14
52   18  to the right of   13
53   18               on   13