De or het pullmantrein?

The correct Dutch article is:

de pullmantrein

How to use pullmantrein

the pullmantreinde pullmantrein
this pullmantreindeze pullmantrein
that pullmantreindie pullmantrein
our pullmantreinonze pullmantrein
your pullmantreinjouw pullmantrein
every pullmantreinelke pullmantrein
which pullmantrein?welke pullmantrein?
a big pullmantrein / the big pullmantreineen grote pullmantrein, de grote pullmantrein