<simpleType name="position.Basketball.Vocabulary">
    <restriction base="string">
        <enumeration value="guard" />
        <enumeration value="point-guard" />
        <enumeration value="shooting-guard" />
        <enumeration value="forward" />
        <enumeration value="power-forward">
            <annotation>
                <documentation>Forward who mostly plays defense.</documentation>
            </annotation>
        </enumeration>
        <enumeration value="small-forward">
            <annotation>
                <documentation>Forward who mostly tries to score.</documentation>
            </annotation>
        </enumeration>
        <enumeration value="center" />
        <enumeration value="referee" />
        <enumeration value="umpire" />
        <enumeration value="scorekeeper" />
        <enumeration value="timekeeper" />
        <enumeration value="shot-clock-operator" />
        <enumeration value="coach" />
        <enumeration value="assistant-coach" />
    </restriction>
</simpleType>