inputs: hypothesis: Mr. Joyce is an Australian Senator. premise: Australian senator Barnaby Joyce (Nationals, Queensland) has moved to oppose the government's planned changes to the country's petrol retail industry. The National Party, of which Senator Joyce is a member, governs Australia in coalition with the Liberal Party. The government plans to amend regulations governing the petrol industry to allow oil companies to own more than five percent of petrol stations. Senator Joyce has given notice to disallow regulations that would force the government to debate them in the House of Representatives and the Senate.