Is the mattress to the right of the blue vehicle?
Yes, the mattress is to the right of the car.
    src        edge_attr  dst
0     0  to the right of    7
1     2   to the left of    5
2     3   to the left of    5
3     3   to the left of   11
4     4        parked on    6
5     4   to the left of    5
6     4   to the left of    8
7     5  to the right of   10
8     5  to the right of    3
9     5  to the right of    2
10    5  to the right of    4
11    5  to the right of    6
12    6   to the left of    5
13    6   to the left of   11
14    6   to the left of    8
15    7   to the left of    0
16    8   to the left of   11
17    8  to the right of    4
18    8  to the right of    6
19    8   to the left of    9
20    8  leaning against    5
21    8               on   10
22    8               on    5
23    9  to the right of   11
24    9  to the right of   10
25    9  to the right of    8
26   10   to the left of    5
27   10   to the left of    9
28   11  to the right of    6
29   11  to the right of    8
30   11   to the left of    9
31   11  to the right of    3