Complex sentence: This party currently supports the ruling centre-right Liberal-Conservative coalition which has implemented stricter policies to reduce the number of immigrants--particularly by enforcing stricter criteria permanent residence status to mixed couples where one of the spouses has not previously resided in Denmark.
Split into simpler sentences: This party currently supports the ruling centre-right Liberal-Conservative coalition which has implemented stricter policies in order to reduce the number of immigrants to Denmark. Particularly by enforcing stricter criteria for granting permanent residence status to mixed couples where one of the spouses has not previously resided in Denmark.