premise: The Newnes railway line (also called Wolgan Valley Railway) is a closed and dismantled railway line in New South Wales, Australia. The line ran for 32 mi from the Main Western line to the township of Newnes. Along the way, it passed through a tunnel now known as the Glowworm Tunnel, because it is famous for its glow-worms. The tunnel is now contained within the Wollemi National Park.
hypothesis: New South Wales, Australia is west and east of the Indian Ocean.
reason: By reading the original context, there is no way to know which direction New South Wales, Australia is compared to the Indian Ocean. The system marked the statement as probably correct, if anything it would be incorrect.