Are there red motorcycles or mats?
Yes, there is a red motorcycle.
    src        edge_attr  dst
0     2  to the right of    4
1     2   to the left of   13
2     4   to the left of    2
3     4   to the left of   13
4     4   to the left of   11
5     5  to the right of    8
6     5  to the right of    7
7     5   to the left of    6
8     6  to the right of    5
9     7   to the left of    5
10    7  to the right of    8
11    8   to the left of   13
12    8   to the left of    5
13    8   to the left of    7
14   11  to the right of    4
15   13  to the right of    8
16   13  to the right of    2
17   13  to the right of    4