What is sitting on the cart?
The luggage is sitting on the cart.
    src        edge_attr  dst
0     0           moving    7
1     0          wearing   12
2     0  to the right of   10
3     0             with   12
4     0             near   14
5     0          holding    7
6     0  to the right of    7
7     3          full of   11
8     5  to the right of    6
9     5  to the right of   16
10    5  to the right of    7
11    6   to the left of    5
12    7   to the left of   12
13    7   to the left of    0
14    7   to the left of    5
15    8  to the right of   15
16    8  to the right of   16
17   10   to the left of   12
18   10   to the left of    0
19   11       sitting on    3
20   12  to the right of   10
21   12  to the right of    7
22   14       sitting on    4
23   14             near    0
24   15   to the left of    8
25   16           moving    8
26   16          wearing   15
27   16             with   15
28   16          wearing    6
29   16   to the left of    5
30   16   to the left of    8