Are there any umbrellas to the left of the person that is in front of the wall?
No, there is a chair to the left of the man.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   18
2     0   to the left of   17
3     0  to the right of   10
4     0  to the right of   12
5     0   to the left of   20
6     2  to the right of   11
7     3  to the right of   18
8     3  to the right of   15
9     3  to the right of    9
10    4   to the left of    5
11    4   to the left of    9
12    5  to the right of   16
13    5  to the right of   14
14    5  to the right of    4
15    6           behind    9
16    7  to the right of   13
17    7  to the right of   11
18    8  to the right of    9
19    8  to the right of   20
20    8  to the right of   17
21    9  to the right of    4
22    9  to the right of   10
23    9      in front of    6
24    9  to the right of   12
25    9   to the left of    3
26    9   to the left of    8
27    9  to the right of   13
28    9   to the left of   18
29    9   to the left of   17
30    9          wearing    5
31   10   to the left of    0
32   10   to the left of    9
33   11   to the left of    2
34   11   to the left of    7
35   11  to the right of   13
36   12   to the left of    0
37   12   to the left of    9
38   13   to the left of    9
39   13   to the left of   11
40   13   to the left of    7
41   14   to the left of    5
42   15   to the left of   18
43   15   to the left of    3
44   15  to the right of    0
45   16   to the left of    5
46   17  to the right of    0
47   17  to the right of    9
48   17   to the left of    8
49   17  to the right of   20
50   18   to the left of    3
51   18  to the right of   15
52   18  to the right of    0
53   18  to the right of    9
54   20   to the left of    8
55   20   to the left of   17
56   20  to the right of    0