Is there any backpack to the left of the person that is standing?
No, there is a bookshelf to the left of the person.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of   10
2     0  to the right of    4
3     0  to the right of    6
4     0  to the right of    5
5     1  to the right of    3
6     2  to the right of    3
7     2   to the left of   10
8     3   to the left of    2
9     3   to the left of    1
10    4               on    5
11    4   to the left of    0
12    5   to the left of    0
13    6   to the left of    9
14    6   to the left of    0
15    7       leaning on    8
16    9  to the right of   14
17    9  to the right of    6
18   10  to the right of    2
19   10   to the left of    0
20   10  to the right of   14
21   11   to the left of   12
22   11               on   13
23   12  to the right of   11
24   14   to the left of    0
25   14   to the left of    9
26   14   to the left of   10