Do you see any bench or umbrella there?
Yes, there is an umbrella.
    src        edge_attr  dst
0     2   to the left of   16
1     2   to the left of   10
2     3               on    6
3     4  to the right of   10
4     4  to the right of    9
5     4               of    0
6     9  to the right of   15
7     9   to the left of    4
8    10  to the right of   15
9    10  to the right of   14
10   10  to the right of   12
11   10  to the right of    2
12   10   to the left of    4
13   11               on    0
14   11               on    6
15   12   to the left of   10
16   12   to the left of   15
17   12               of    0
18   14   to the left of   16
19   14               of   15
20   14   to the left of   10
21   15       sitting on    0
22   15               on    0
23   15  to the right of   12
24   15   to the left of   10
25   15   to the left of   16
26   15   to the left of    9
27   15               on    6
28   16  to the right of   15
29   16  to the right of   17
30   16  to the right of   14
31   16  to the right of    2
32   17   to the left of   16