Complex sentence: Collins opposed President Barack Obama's health reform legislation; she voted against the Patient Protection and Affordable Care Act in December 2009, and she voted against the Health Care and Education Reconciliation Act of 2010.
Split into simpler sentences: Collins opposed President Barack Obama's health reform legislation, the Patient Protection and Affordable Care Act, and voted against it in December 2009. She voted against the Health Care and Education Reconciliation Act of 2010.