What color is the tall tower?
The tower is red.
    src        edge_attr  dst
0     0             near    4
1     0             near    2
2     0   to the left of    4
3     1             near    4
4     2             near    0
5     3            above    5
6     3               on    0
7     3               in    0
8     4             near    0
9     4             near    1
10    4  to the right of    0
11    5            below    3