On which side of the image are the people?
The people are on the left of the image.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    7
2     0  to the right of   10
3     1   to the left of    4
4     2  to the right of    0
5     2  to the right of    3
6     2  to the right of    4
7     3   to the left of    2
8     4   to the left of    2
9     4  to the right of    5
10    4  to the right of    6
11    4   to the left of    7
12    4  to the right of    9
13    4           inside    8
14    4  to the right of    1
15    5   to the left of    4
16    6   to the left of    4
17    6   to the left of   10
18    7   on the side of    2
19    7  to the right of    4
20    7  to the right of    0
21    9           inside    8
22    9      waiting for    4
23    9   to the left of    4
24    9   to the left of   10
25   10  to the right of    6
26   10  to the right of    9
27   10   to the left of    0