What you're seeing could very well be from a previous response from you or someone else that's chatted with your Hal.
It might be possible to remove that response by editing the associated brn files.
Two good programs to help with the searches are:
HD Search & Stats available from
www.freebyte.comAgent Ransack available from
www.mythicsoft.com/agentransackThese will search your entire system for any file, phrase, etc.
Hopefully one of these will help resolve your problem. If not, they're good utility programs to have at any rate.