What does the red container contain?
The box contains candles.
    src        edge_attr  dst
0     0               of   10
1     0   to the left of    3
2     0   to the left of    8
3     1          contain    5
4     1   to the left of    3
5     1   to the left of    2
6     2   to the left of    6
7     2  to the right of    1
8     3        on top of   11
9     3             with    8
10    3  to the right of    1
11    3  to the right of    0
12    3  to the right of    7
13    3  to the right of    5
14    3  to the right of   10
15    5           inside    1
16    5               on    3
17    5        on top of    3
18    5   to the left of    3
19    6  to the right of    2
20    6        on top of    3
21    7   to the left of    3
22    8   to the left of    9
23    8        on top of    3
24    8  to the right of    0
25    9  to the right of    8
26    9  to the right of   12
27   10   to the left of    3
28   12   to the left of    9