Mushroom and Toadstool

Younger Scout: How can I tell the difference between a mushroom and a toadstool(毒菌) ?

Older Scout: Just eat one before you go to bed. If you wake up the next morning, it was a mushroom.

年少的.童子軍：我怎樣才能把蘑菇和毒蕈區別開呢?

年長的童子軍：上牀前吃一個。如果你第二天早上醒來，那就是蘑菇。