These files accompany the book Natural Language Understanding
by James Allen; 1987 The Benjamin/Cummings Publishing Company, Inc.;
ISBN 0-8053-0330-8

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Notice: Copyright 1987 by The Benjamin/Cummings Publishing Company,
	Inc.All rights reserved.  No part of this software may be
	reproduced,stored in a retrieval system, or transmitted, in
	any form or by any means, electronic, mechanical,
	photocopying, recording, or otherwise, without the prior
	written permission of the Benjamin/Cummings Publishing
	Company.
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There are four projects that make up this software: (1) a simple
recursive transition network, (2) an augmented transition network, (3)
an ELIZA program, and (4) a logic-based parser.  Each project is
composed of several files including a documentation file.  The user
should follow the instructions in the documentation files when running
the corresponding programs.