XMLAssign_BookStore

<?xml version="1.0" encoding="UTF-8"?>

<Store  xmlns="https://www.store2.com"
        xmlns:s1="https://www.store1.com"
        xmlns:s3="https://www.store3.com">
    <Cate ID="01">
        <Book>
            <Title>BookA01</Title>
            <Author>AuA01</Author>
            <Price>123</Price>
        </Book>
        <Book>
            <Title>BookA02</Title>
            <Author>AuA02</Author>
            <Price>234</Price>
        </Book>
    </Cate>
    <Cate ID="02">
        <Book>
            <Title>BookA03</Title>
            <Author>AuA03</Author>
            <Price>345</Price>
        </Book>
        <Book>
            <Title>BookA04</Title>
            <Author>AuA04</Author>
            <Price>456</Price>
        </Book>
    </Cate>
    <s1:Cate ID="01">
        <s1:Book>
            <s1:Title>BookB01</s1:Title>
            <s1:Author>AuB01</s1:Author>
            <s1:Price>123</s1:Price>
        </s1:Book>
        <s1:Book>
            <s1:Title>BookB02</s1:Title>
            <s1:Author>Aub02</s1:Author>
            <s1:Price>234</s1:Price>
        </s1:Book>
    </s1:Cate>
    <s1:Cate ID="02">
        <s1:Book>
            <s1:Title>BookB03</s1:Title>
            <s1:Author>AuB03</s1:Author>
            <s1:Price>345</s1:Price>
        </s1:Book>
        <s1:Book>
            <s1:Title>BookB04</s1:Title>
            <s1:Author>Aub04</s1:Author>
            <s1:Price>456</s1:Price>
        </s1:Book>
    </s1:Cate>
    <s3:Cate ID="01">
        <s3:Book>
            <s3:Title>BookC01</s3:Title>
            <s3:Author>AuC01</s3:Author>
            <s3:Price>123</s3:Price>
        </s3:Book>
        <s3:Book>
            <s3:Title>BookC02</s3:Title>
            <s3:Author>AuC02</s3:Author>
            <s3:Price>234</s3:Price>
        </s3:Book>
    </s3:Cate>
    <s3:Cate ID="02">
        <s3:Book>
            <s3:Title>BookC03</s3:Title>
            <s3:Author>AuC03</s3:Author>
            <s3:Price>345</s3:Price>
        </s3:Book>
        <s3:Book>
            <s3:Title>BookC04</s3:Title>
            <s3:Author>AuC04</s3:Author>
            <s3:Price>456</s3:Price>
        </s3:Book>
    </s3:Cate>
</Store>