Entertain parleys use Reason, Inspire, and Flattery expression, locking out Demand.
Entertain parleys do not give Information. Instead, they only give sellable loot and recipes for crafted diplomacy items.
Diplomacy › Getting Started
Entertain
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/entertain