Assertion: amusement park's roller coaster | /r/HasProperty | the big dipper
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Source sentences:
text: In its heyday, the amusement park featured three roller coasters: The Big Dipper, The Little Dipper, and The Wild Mouse.
text: Established in 1887 in what had been a local recreation area adjacent to a lake of the same name, the first amusement ride was added in 1889, and the park's first roller coaster – later known as the Big Dipper – was built in 1925.