<simpleType name="position.Soccer.Vocabulary">
    <restriction base="string">
        <enumeration value="right-fullback" />
        <enumeration value="left-fullback" />
        <enumeration value="sweeper" />
        <enumeration value="stopper" />
        <enumeration value="defenseman" />
        <enumeration value="right-mid-fielder" />
        <enumeration value="left-mid-fielder" />
        <enumeration value="center-mid-fielders" />
        <enumeration value="half-backs" />
        <enumeration value="right-wing" />
        <enumeration value="left-wing" />
        <enumeration value="center-forward" />
        <enumeration value="forward" />
        <enumeration value="goalie" />
        <enumeration value="coach" />
        <enumeration value="assistant-coach" />
        <enumeration value="referee" />
        <enumeration value="assistant-referee" />
    </restriction>
</simpleType>