Nicola Sturgeon Soundbite on 2017 UK General Election

The transcript discusses the SNP's willingness to join a progressive alliance to prevent the Tories from governing. It reflects on Labour's diminished prospects of forming a government, either alone or in coalition, compared to 2015. The text also touches on the regret felt by many in England regarding Labour's current political standing.

What does the text imply about the SNP's intentions regarding government formation?

What is the overall tone of the text regarding the political landscape?