\usemodule[xfdf]

\setupbodyfont[dejavu]

\setuphead[subject][style=bold]

\startxmlsetups xfdf:b
    \bold{\xmlflush{#1}}
\stopxmlsetups

\starttext

    \xmlloadonly{answers}{xfdf-001.xfdf}{xfdf}

    \dorecurse{3} {
        \subject{Answer #1}
        \xfdftext{answers}{answer-#1}
    }

\stoptext
