Does the fence look metallic and short?
No, the fence is metallic but tall.
    src        edge_attr  dst
0     0      standing in    6
1     0          wearing   15
2     0  to the right of    8
3     0          holding    8
4     0     playing with    8
5     1      in front of   13
6     4   to the left of   16
7     8   to the left of   16
8     8   to the left of    0
9    11  to the right of   15
10   13           behind    1
11   15   to the left of   11
12   16  to the right of    4
13   16  to the right of    8