Complex sentence: Stratus would then demand a rematch against Hemme on the "Raw" after WrestleMania; before the match started, Stratus hit Hemme with the "Chick Kick", and re-injured Lita's knee.
Split into simpler sentences: Stratus would then demand a rematch against Hemme on the "Raw" after WrestleMania. Before the match started, Stratus hit Hemme with the Chick Kick and re injured Lita's knee.