Simplify the following text for a Grade 7 native English-speaking person.
Original: However , the DÃ il Constitution passed by the DÃ il in 1919 made clear that the PrÃ omh Aire ( or President of DÃ il Ã ireann as it came to be called ) was merely prime minister - the literal translation of PrÃ omh Aire - not a full head of state .
Simplified: The DÃ il Constitution passed by the DÃ il said that the PrÃ omh Aire was prime minister not head of state .