What is the name of the piece of furniture that is not dark?
The piece of furniture is a table.
    src        edge_attr  dst
0     0  to the right of    4
1     1   to the left of    7
2     1   to the left of    5
3     2  to the right of    4
4     2  to the right of    7
5     3  to the right of    7
6     3               at    2
7     3  to the right of    4
8     4   to the left of    0
9     4   to the left of    3
10    4   to the left of    2
11    4  to the right of    9
12    4   to the left of    8
13    4   to the left of   11
14    5   to the left of    7
15    5  to the right of    1
16    5  to the right of   10
17    5  to the right of   12
18    6               of    4
19    6   to the left of    7
20    7  to the right of    1
21    7   to the left of    2
22    7   to the left of    8
23    7  to the right of    5
24    7   to the left of    3
25    7  to the right of   12
26    7  to the right of    6
27    8  to the right of    7
28    8  to the right of    4
29    9   to the left of    4
30   10   to the left of    5
31   11  to the right of    4
32   12   to the left of    5
33   12   to the left of    7