What is on the tub?
The towel is on the tub.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    7
2     0            above    1
3     1   to the left of   12
4     1            above    5
5     1            below    0
6     1   to the left of   10
7     2               in    8
8     2   to the left of    9
9     3               on    4
10    3  to the right of    6
11    3               in    8
12    5            under    1
13    5   to the left of   10
14    5   to the left of   12
15    6        on top of    5
16    6               on    5
17    6   to the left of    3
18    6   to the left of   10
19    7  to the right of    0
20    9  to the right of    0
21    9           beside    1
22    9  to the right of    2
23   10  to the right of    6
24   10  to the right of    1
25   10  to the right of    5
26   12   on the side of   10
27   12  to the right of    5
28   12  to the right of    1
29   12               on   10