A model asked for Norwegian sometimes answers in English. The commonest
function words of each language are counted across a reply, and one
that reads as the other language is refused with a line saying so.
Tomter Vel's six mails, worded by Sonnet in Norwegian, are round 2 of
runs/tomtervel-opener-2026-09-23 and live.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>