 Over the past half-century CDA-PvdA coalitions have proven to be unstable.Furthermore, both the PvdA and the SP had pointed out during their campaign that the differences between CDA and PvdA have never been so great.Another issue is that in the CDA-PvdA-SP coalition, the largest party (CDA - 41 seats), which has profiled itself as a winner of the election, would be a minority compared to the two left wing parties (together 58 seats).