What is the vase holding?
The vase is holding the flower.
    src        edge_attr  dst
0     1   to the left of    2
1     1  to the right of    4
2     2  to the right of    3
3     2  to the right of    6
4     2  to the right of    7
5     2  to the right of    1
6     2  to the right of    4
7     3   to the left of    2
8     3   to the left of    7
9     4   to the left of    1
10    4   to the left of    6
11    4   to the left of    2
12    5          holding    1
13    6   to the left of    2
14    6  to the right of    4
15    7  to the right of    3
16    7   to the left of    2