Complex sentence: On 12 September various opinion polls showed that Folkvords popularity had increased again in Oslo which gave rise to speculation that Folkvord would win Inger Lise Husøy's seat in parliament because of this sudden rise in popularity.
Split into simpler sentences: On 12 September various opinion polls showed that Folkvords popularity had increased in Oslo. Many speculated that Folkvord would win Inger Lise Husøy's seat in parliament because of this sudden rise in popularity.