What is common to the heart and the sky?
The color, both the heart and the sky are white.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of   16
2     0               on    5
3     0   to the left of   12
4     0  to the right of   15
..  ...              ...  ...
82   16   to the left of   12
83   17               in   15
84   17  to the right of    6
85   17   to the left of    1
86   17   to the left of    0

[87 rows x 3 columns]