You might want to ask why the two men want to lead the SNP, their aspirations for the party and Scotland or how in practice Scottish independence would work.

BBC: Question the SNP candidates

Louise McLeary, from Solidarity, was chatting to Kris Seunarine, from the UK Independence Party - Morag Balfour was joined by the Scottish Socialist Party convener Colin Fox.

BBC: Has the SNP bubble finally burst?

The Greens are the only Holyrood party, aside from the SNP, which backs Scottish independence.

BBC: Your questions: Patrick Harvie