Are there any people to the right of the waitress on the left?
Yes, there are people to the right of the waitress.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    5
2     0  to the right of    2
3     1   to the left of   15
4     2  to the right of    7
5     2  to the right of   16
6     2   to the left of    0
7     3   to the left of   15
8     4  to the right of   11
9     4  to the right of    8
10    4  to the right of    9
11    4  to the right of    6
12    5  to the right of   11
13    5   to the left of    0
14    5  to the right of    8
15    6  to the right of   10
16    6  to the right of   11
17    6   to the left of    4
18    6   to the left of    9
19    7               on   16
20    7   to the left of    0
21    7   to the left of    2
22    8               in   18
23    8   to the left of    5
24    8   to the left of    4
25    8  to the right of   11
26    8  to the right of   10
27    8   to the left of    9
28    8       sitting in    2
29    9  to the right of   10
30    9  to the right of   11
31    9   to the left of    4
32    9  to the right of    6
33    9  to the right of    8
34   10   to the left of    9
35   10   to the left of    8
36   10   to the left of   17
37   10   to the left of   11
38   10   to the left of    6
39   11    surrounded by    0
40   11  to the right of   10
41   11   to the left of    6
42   11   to the left of    5
43   11   to the left of    9
44   11   to the left of    8
45   11               in   18
46   11   to the left of    4
47   12               by    3
48   13               in   14
49   15  to the right of    1
50   15  to the right of    3
51   16   to the left of    2
52   17  to the right of   10
53   19               on   18
54   19               on   20
55   19               in   18