Complex sentence: Sandra Bullock was originally considered to play Karen Sisco opposite Clooney, however, Soderbergh said, What happened was I spent some time with (Clooney and Bullock)-and they actually did have a great chemistry.
Split into simpler sentences: Sandra Bullock was originally considered to play Karen Sisco opposite Clooney. According to Soderbergh, What happened was I spent some time with (Clooney and Bullock) and they actually did have a great chemistry.