Who is walking?
The people are walking.
    src        edge_attr  dst
0     2   to the left of    8
1     2   to the left of   12
2     3         carrying   14
3     3   to the left of   15
4     4   to the left of    9
5     4   to the left of    6
6     4   to the left of   12
7     4               of    5
8     4   to the left of    8
9     5   to the left of   12
10    5   to the left of    6
11    5         carrying   10
12    5   to the left of    8
13    5         carrying   11
14    6  to the right of    4
15    6  to the right of   11
16    6  to the right of   12
17    6  to the right of    5
18    8  to the right of    4
19    8            under    9
20    8            below    9
21    8  to the right of    5
22    8  to the right of   11
23    8  to the right of   16
24    8   to the left of   15
25    8  to the right of    2
26    9  to the right of    4
27    9  to the right of   10
28    9            above    8
29   10            above   16
30   10   to the left of    9
31   11   to the left of    8
32   11   to the left of    6
33   11   to the left of   12
34   11  to the right of   16
35   12  to the right of   11
36   12  to the right of    4
37   12   to the left of   15
38   12         carrying    9
39   12  to the right of    5
40   12   to the left of    6
41   12  to the right of   16
42   12  to the right of    2
43   15  to the right of   12
44   15  to the right of    8
45   15  to the right of    3
46   16            under   10
47   16   to the left of    8
48   16   to the left of   12
49   16   to the left of   11