De or het congresthema?

The correct Dutch article is:

de congresthema

This word is not in the word lists we use to double-check answers.

How to use congresthema

the congresthemade congresthema
this congresthemadeze congresthema
that congresthemadie congresthema
our congresthemaonze congresthema
your congresthemajouw congresthema
every congresthemaelke congresthema
which congresthema?welke congresthema?
a big congresthema / the big congresthemaeen grote congresthema, de grote congresthema