Which type of clothing is not purple, his shirt or his cap?
The cap is not purple.
    src        edge_attr  dst
0     0          wearing    7
1     0          wearing    1
2     1  to the right of    9
3     2  to the right of   10
4     3               of    0
5     4  to the right of    9
6     7               of    0
7     7  to the right of    9
8     9   to the left of    4
9     9   to the left of    7
10    9   to the left of    1
11   10   to the left of    2
12   10   to the left of   12
13   10   to the left of   11
14   11  to the right of   10
15   12  to the right of   10