Read the following premise and answer if the hypothesis is true.
The Mt. Kinka Ropeway (金華山ロープウェー , Kinkazan Rōpuwē ) is Japanese aerial lift line in Gifu, Gifu. This is the only line Gifu Kankō Ropeway (岐阜観光索道 , Gifu Kankō Sakudō ) operates. The company belongs to Meitetsu Group. The line, opened in 1955, climbs Mount Kinka, linking Gifu Park and Gifu Castle.
Hypothesis: The Mt. Kinka Ropeway was opened 5 years before 1960. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
Yes
Yes.