>Jabberwacky:
>http://www.jabberwacky.com/

the first exchange it gave even worse replies. all in all, if the
person administering the test thinks this program is convincing, that
must conversely prove the questioner is a machine.

Jabberwacky: Are you warm?

User: It's actually my back that hurts.

Jabberwacky: I see. Do you like skiing?

User: Do you in this condition?

Jabberwacky: Why do you think you had a choice?

User: Of body parts?

Jabberwacky: Bob too.

it's better than most of these AI conversationalists at answering
really silly replies (takes a lot longer), but referring
(inexplicitly) to even the sentence before, confuses it.