Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Melbourne, Australia (CNN) Australia's High Court has ruled that a national postal vote on same-sex marriage will go ahead, after a challenge by marriage equality advocates failed. Same-sex marriage advocates had taken the government to court over the postal vote which they argued was both unnecessary and an illegal use of public funds. But in decision Thursday, the High Court ruled the national survey could go ahead. Ballot papers will be now be mailed out to households across Australia from September 12, beginning the two-month process. The question will be, "Should the law be changed to allow same-sex couples to marry?"Australia will now vote on whether same-sex marriage should be made lawA majority of Australians support marriage equality, according to polling 
 Question:_ have long been in favor of marriage equality, but multiple governments have maintained they wanted to keep the traditional definition in law.

Australia