在 Search Engine Watch Blog 看到這篇《Let Me Guess: You're Thinking of a Penguin...》，就跟著跑去 20Q.net 玩。20Q.net 是個用類神經網路技術打造的人工智慧網站，自稱：「20Q.net is a learning system; the more it is played, the smarter it gets.」。

我們先想好一個物件，20Q.net 會問一連串的問題，好比說「它硬不硬？」或「它是用金屬做的嗎？」等，依據我們的回答，試著猜我們想的那個物件是什麼東西。

老實說，蠻聰明的。以下是我試玩的結果：

23. I am guessing that it is a pitcher (container)?

Yes.

22. Is it heavier than a pound of butter?

Yes.

21. Can it float?

No.

20. I guess that it is a cup?

Close.

19. I guess that it is a drinking glass?

Close.

18. Does it help accomplish tasks?

Yes.

17. I guess that it is a tea cup?

Close.

16. Does it refract light?

Sometimes.

15. Is it found on a desk?

Yes.

14. Is it fragile?

Probably.

13. Is it a metal?

No.

12. Does it contain a liquid?

Yes.

11. Does it get wet?

Yes.

10. Do you use it in cooking?

Sometimes.

9. Can you eat off of it?

No.

8. Does it shine?

Probably.

7. Can you put something into it?

Yes.

6. Could it be found in a classroom?

Rarely.

5. Would you use it daily?

Yes.

4. Is it made of metal?

Sometimes.

3. Do you hold it when you use it?

Yes.

2. Does it bring joy to people?

Rarely.

1. It is classified as Other.

You were thinking of a pitcher.

Is it made of metal? You said Sometimes, I say No.

Does it shine? You said Probably, I say No.

Do you use it in cooking? You said Sometimes, I say No.

Is it found on a desk? You said Yes, I say No.

Does it refract light? You said Sometimes, I say No.

Contradictions Detected

The opinions of the game are its own and are based on the input of people playing the game. It does not matter if our answers disagree, as over time the game will change its answers to reflect common knowledge. If you feel that the game is in error, the only way to fix it is to play again. Similar Objects a drinking glass, a beer mug, a coffee pot, a garden hose, a tea pot, a cup, a tea cup, a pot (cooking pot), a tea pot, a thermos, a toilet, a kettle.

Uncommon Knowledge about a pitcher Is it shiny? I say No.

Does it get hard? I say Yes.

Is it a predator? I say Probably.

Does it swim? I say Probably.

Can you keep it in a cage? I say Yes.

Do you use it at night? I say No.

我想的物件是「茶壺（teapot）」，雖然拼法不同，但答案卻確實是對的。:-)