2 a there aren't
2b is there
3a is there
3b there is-there is
4a is there
4b there are
5a are there
5b there are-there is
6a are there
6b there are-there is
7a is there
7b there are-there is
8a there is no
8b is there
9a is there
9b there are
10a is there
10b there is-there is