For that contest participants need to bring their own ulu a traditional knife.

要参加这场比赛，参赛者需要带上他们自己的乌鲁刀，一把传统的小刀。

Now, we can be sure that asking either Tee or Eff a question put this way will yield 'ozo' if the hypothetical question is true and 'ulu' if it's false regardless of what each word actually means.

现在，我们可以确定 只要用上面的方式问 Tee 或 Eff如果问题为真 那麽他们一定都回答「哦」如果问题为假 那麽他们一定都回答「唔」这样就不必管 「哦」和「唔」代表什麽意思。