Are there either any rackets or clocks that are black?
Yes, the clock is black.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   12
2     0  to the right of   19
3     0  to the right of   14
4     0  to the right of    7
..  ...              ...  ...
90   21   to the left of   20
91   22  to the right of   12
92   22  to the right of   14
93   22   to the left of    0
94   22  to the right of   13

[95 rows x 3 columns]