What is the person to the left of the carts holding?
The person is holding the luggage.
    src        edge_attr  dst
0     0  to the right of   15
1     1  to the right of   13
2     1   to the left of   15
3     2               of   15
4     3  to the right of   15
5     4     hanging from   11
6     5   to the left of   13
7     5   to the left of    9
8     6  to the right of   12
9     6   to the left of   15
10    6  to the right of   14
11    6  to the right of   17
12    8               in    7
13    8  to the right of   15
14    9   to the left of   18
15    9   to the left of   15
16    9  to the right of   17
17    9  to the right of    5
18   12   to the left of   15
19   12  to the right of   14
20   12   to the left of    6
21   13  to the right of    5
22   13   to the left of    1
23   13   to the left of   15
24   14   to the left of    6
25   14         carrying   17
26   14   to the left of   12
27   14   to the left of   17
28   15          holding    1
29   15  to the right of    6
30   15  to the right of   13
31   15  to the right of   12
32   15  to the right of    1
33   15   to the left of    3
34   15   to the left of    0
35   15  to the right of   18
36   15  to the right of    9
37   15   to the left of    8
38   17  to the right of   14
39   17   to the left of    6
40   17   to the left of    9
41   18  to the right of    9
42   18   to the left of   15