Original sentence: On December 9, 2004, the Supreme Court of Canada ruled that the marriage of same-sex couples is constitutional, that the federal government has the sole authority to amend the definition of marriage, and the Charter's protection of freedom of religion grants religious institutions the right to choose not to perform the marriage ceremonies of same-sex couples if they see fit
Edited sentence: On December 9, 2004, the Supreme Court of Canada ruled that the marriage of same-sex couples is constitutional, that the federal government has the sole authority to amend the definition of marriage, and the Charter's protection of freedom of religion grants religious institutions the right not to perform the marriage ceremonies of same-sex couples if they so choose