<instructional-design root = "course">
	<uol-structure>
		<!--  lessons -->
		<sequence element = "lesson" element-id = "LESSON_SEQUENCE">
			<!-- topics --> 
			<sequence element = "topic" element-id = "TOPIC_SEQUENCE"> 
				<learning-object>
					<selection-rule>
						<include att-name="type" att-value="explanation-content" priority="1"/>  
						<include att-name="type" att-value="examples" priority="2"/>  
						<include att-name="type" att-value="*" priority="3"/>  
						<exclude att-name="type" att-value="exercise"/>
					</selection-rule>					
				</learning-object>
			</sequence>
			
			<!-- exercises -->
			<learning-object element-id = "LESSON_EXERCISE">
				<selection-rule>
					<include att-name="type" att-value="exercise"/>
				</selection-rule>
			</learning-object>			
		</sequence>
		
		<!--  projects -->
		<sequence element="course" element-id = "PROJECT_SEQUENCE" sequence-element-id="PROJECT">
			<selection-rule>
				<include att-name="type" att-value="project" priority="1"/>
			</selection-rule>									
			<grading>
				<type>number</type>
				<min-value>0</min-value>
				<max-value>50</max-value>
				<threshold>25</threshold>
			</grading>			
		</sequence> 			

	</uol-structure>
	
	<element-relationships>
		<!--  There is no any relationship - all resources are available. -->
	</element-relationships>	
	
</instructional-design>