Which kind of furniture is not neat?
The furniture is a cabinet.
    src        edge_attr  dst
0     1   to the left of    6
1     2             near    5
2     2            above    4
3     2  to the right of    3
4     3   to the left of    2
5     4            under    2
6     4           beside    2
7     4            below    6
8     4            below    2
9     4            under    6
10    5             near    2
11    5             near    6
12    6             near    5
13    6            above    4
14    6               on    4
15    6  to the right of    1