<fsDecl type="Agreement"> <fsDescr>This type of feature structure encodes the features
   for subject-verb agreement in English
</fsDescr> <fDecl name="PERS">  <fDescr>person (first, second, or third)
</fDescr> </fDecl> <fDecl name="NUM">  <fDescr>number (singular or plural)
</fDescr> </fDecl></fsDecl>