Simplify the following text for a Grade 11 native English-speaking person.
Original: The parliament 's fourteenth convocation officially changed the numbering of the convocations proclaiming itself the Verkhovna Rada of the third convocation .
Simplified: The Verkhovna Rada of the 14th convocation officially changed the numbering of sessions , proclaiming itself the Verkhovna Rada of the third convocation . The sixth convocation is the latest convocation of the parliament .