What is on the wall?
The clock is on the wall.
    src        edge_attr  dst
0     0   to the left of   13
1     1   to the left of   13
2     2   to the left of   13
3     3          wearing    9
4     3          wearing    5
5     3          wearing    0
6     3          wearing   11
7     3          wearing    6
8     3  to the right of   12
9     4               on   13
10    6  to the right of   12
11   10               of    9
12   10   to the left of   13
13   12   to the left of    3
14   12   to the left of    6
15   13  to the right of    1
16   13  to the right of    2
17   13  to the right of   10
18   13  to the right of    0