Convince parleys use Demand, Reason, and Flattery expression, locking out Inspire.
Convince primarily rewards Arcana information and occasionally rewards Plots information.
Diplomacy › Getting Started
Convince
Archive note: the original page links to 2 further pages that were never written on the source wiki and have no Wayback capture, so no content exists to mirror: Demand, Reason.
Original page: http://thetelonproject.wikidot.com/convince