Elisa Demonstation

> pl

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For help, use ?- help(Topic). or ?- apropos(Word).

1 ?- [eliza].
eliza compiled, 0.04 sec, 7,464 bytes.

Yes
2 ?- eliza.
|: how do you do.
please go on 
|: my sister is ill.
can you tell me more about sister ? 
|: she makes trouble.
please go on 
|: i am afraid of her.
how long have you been afraid of her ? 
|: long time.
please go on 
|: i feel a danger.
do you often feel that way ? 
|: no.
please go on 
|: bye.

[Goodbye, I hope I have helped you]

Yes
3 ?- halt.