Given a premise, retrieve a hypothesis that is entailed by the premise.In 1854 Perry duly negotiated the Treaty of Kanagawa (now part of Yokohama), opening up two ports, Shimoda on the Izu Peninsula and Hakodate in Hokkaido.
A treaty opening up ports in Shimoda and Hakodate was negotiated in 1854.
The Treaty of Kanagawa resulted in 10 ports being opened.