Who is in front of the yellow wall?
The woman is in front of the wall.
    src        edge_attr  dst
0     0           behind    8
1     0       looking at    8
2     0          wearing   12
3     0         touching   12
4     0      in front of    6
..  ...              ...  ...
63   16  to the right of    5
64   16   to the left of    0
65   16   on the back of    8
66   16  to the right of   15
67   16  to the right of   14

[68 rows x 3 columns]