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It's a big day for Australian politics. Candidates are running for 151 seats in the House of Representatives and half of the 76 seats in the Senate. If a party wins a majority of votes in the House of Representatives, its leader becomes prime minister. This year sees a close race between the incumbent Scott Morrison and Labor leader Bill Shorten. So how does the election process work, and what are some main promises made by major parties during their campaigns? Our reporter has the details.