What do the sink and the can have in common?
The color, both the sink and the can are black.
    src        edge_attr  dst
0     0   to the left of    3
1     1               in   15
2     1  to the right of    3
3     2               on    7
4     2   to the left of   11
5     2   to the left of   13
6     2  to the right of    5
7     3  to the right of    0
8     3   to the left of    1
9     3   to the left of    8
10    4   to the left of   13
11    4   to the left of   11
12    4  to the right of    5
13    5   to the left of   19
14    5   to the left of   13
15    5   to the left of    2
16    5   to the left of    4
17    5   to the left of   11
18    6  to the right of   13
19    6  to the right of   11
20    8  to the right of    3
21    8  to the right of    9
22    8  to the right of   10
23    8  to the right of   12
24    8  to the right of   16
25    8  to the right of   18
26    8  to the right of   13
27    8  to the right of   11
28    9   to the left of    8
29    9  to the right of   10
30   10   to the left of    8
31   10   to the left of    9
32   11   to the left of    8
33   11  to the right of    5
34   11  to the right of    2
35   11   to the left of    6
36   11  to the right of    4
37   12   to the left of    8
38   13  to the right of    4
39   13  to the right of    2
40   13  to the right of   19
41   13   to the left of    6
42   13  to the right of    5
43   13   to the left of    8
44   13               in   15
45   16               on   18
46   16   to the left of    8
47   18   to the left of    8
48   19  to the right of    5
49   19   to the left of   13
50   19               on   19