The King of Pointland

Twenty Questions with a Computer

Here you can play 20 Questions against a computer. The computer learns from each game. Here is a sample session with yours truly:

I am guessing that it is dandruff?
 Yes ,  No , Close

19.  Does it live in large populations? No.
18.  Is it brown? No.
17.  Was it ever alive? Yes.
16.  Does it contain a liquid? No.
15.  Does it come from an animal? Yes.
14.  Could you send it in the mail? Irrelevant.
     Is it smooth? Unknown.
     Would you find it in an office? Unknown.
13.  Is it annoying? Yes.
12.  Can it be placed on your head? Yes.
     Can you find it in a house? Unknown.
     Does it grow over time? Unknown.
11.  Are there many different sorts of it? No.
10.  Would you find it on a farm? Irrelevant.
     Does it move? Unknown.
 9.  Can it be washed? Irrelevant.
 8.  Could it be found in a classroom? Irrelevant.
 7.  Do you use it in your home? No.
 6.  Can you find it in a church? Irrelevant.
     Can it bend without breaking? Unknown.
 5.  Is it smaller than a golf ball? Yes.
 4.  Is it outside? Irrelevant.
     Is it flexible? Unknown.
     Is it soft? Unknown.
 3.  Is it smaller than a loaf of bread? Yes.
 2.  Is it manufactured? No.
 1.  Is it multicolored? No.
     It is classified as Unknown.

It guessed correctly.