Given levels: A1, A2, B1, B2 and C1. Which cefr level would you assign to: "Except for brief quotations in a review, this book, or any part thereof, may not be reproduced, stored in or introduced into 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 publisher."?
b1