<simpleType name="result.AmericanFootball.Vocabulary">
    <restriction base="string">
        <enumeration value="tackle" />
        <enumeration value="sack" />
        <enumeration value="forward-pass" />
        <enumeration value="lateral-pass" />
        <enumeration value="incomplete-pass" />
        <enumeration value="kick" />
        <enumeration value="handoff" />
        <enumeration value="fumble" />
        <enumeration value="ball-grounded" />
        <enumeration value="ball-out-of-bounds" />
        <enumeration value="score" />
    </restriction>
</simpleType>