<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
	<xs:element name="company">
		<xs:complexType>
			<xs:sequence>
				<xs:element ref="people"/>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
	<xs:element name="people">
		<xs:complexType>
			<xs:choice minOccurs="0" maxOccurs="unbounded">
				<xs:element ref="customer"/>
				<xs:element ref="employee"/>
				<xs:element ref="temporary_employee"/>
			</xs:choice>
		</xs:complexType>
	</xs:element>
	<xs:element name="customer">
		<xs:complexType>
			<xs:sequence>
				<xs:element ref="name"/>
				<xs:element ref="address"/>
			</xs:sequence>
			<xs:attribute name="added" type="xs:anySimpleType" use="required"/>
		</xs:complexType>
	</xs:element>
	<xs:element name="name">
		<xs:complexType mixed="true"/>
	</xs:element>
	<xs:element name="address">
		<xs:complexType mixed="true"/>
	</xs:element>
	<xs:element name="employee">
		<xs:complexType>
			<xs:sequence>
				<xs:element ref="address"/>
				<xs:element ref="department" minOccurs="0"/>
			</xs:sequence>
			<xs:attribute name="id" type="xs:anySimpleType" use="required"/>
			<xs:attribute name="added" type="xs:anySimpleType" use="required"/>
		</xs:complexType>
	</xs:element>
	<xs:element name="temporary_employee">
		<xs:complexType>
			<xs:sequence>
				<xs:element ref="address"/>
				<xs:element ref="department" minOccurs="0"/>
			</xs:sequence>
			<xs:attribute name="id" type="xs:anySimpleType" use="required"/>
			<xs:attribute name="added" type="xs:anySimpleType" use="required"/>
		</xs:complexType>
	</xs:element>
	<xs:element name="department"/>
</xs:schema>
