Simplify the following text for a Grade 7 native English-speaking person.
Original: It is Northern Ireland 's fifth-largest party overall , with seven seats in the Northern Ireland Assembly and one in the House of Commons .
Simplified: It is neutral on the issue of whether Northern Ireland should stay in or leave the United Kingdom . The party has 1 out of 18 Northern Ireland seats in the House of Commons and 7 out of 108 seats in the Northern Ireland Assembely .