Also, I wouldn't rule out Labour just yet. Hipkins did quite well in the most recent leaders' debate...
https://www.youtube.com/watch?v=NAXkCQu_hhc
The shouting over each other died down after a while. :) 

 Plus a fact-check...
https://www.newsroom.co.nz/fact-check-did-hipkins-and-luxon-tell-porkies