List recursion

From: jex (sales_at_jexnet.com)
Date: 02/29/04 

Date: 29 Feb 2004 09:57:19 -0800

Hello, I'm new to prolog and I'm having trouble solving this rather
simple problem.

Series of facts:
related(john, sally).
related(john, lisa).
related(john, mark).

I want to write a function that will retreive all of the relatives of
a given individual. For example, when given the prompt:
related_to(john,X), prolog would respond with a list: X = [sally,
lisa, mark].

Currently, I only get the response:
X = sally ;
X = lisa ;....
and I have to manually output it.

Any help would be appreciated.

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