The message of the mission is:
Can you discover what happpened to pygmies who uttered these last words?
The objective of the mission is to guess what sacrifices the sentnces describe: "I'd rather make friends with Mr. Boney than losing my head.", "Hmm... I'm stuffed. I can't eat another bite. Ok, just one more.", and "Weee, I'm going to Oz."
This article contains spoilers for future updates or comics.