What kind of clothing is gray?
The clothing is a suit.
     src       edge_attr  dst
0      0  to the left of   26
1      0  to the left of   28
2      0  to the left of   33
3      0  to the left of    5
4      0  to the left of   14
..   ...             ...  ...
134   34  to the left of   21
135   34  to the left of   15
136   34  to the left of   28
137   34  to the left of   13
138   34  to the left of    5

[139 rows x 3 columns]