premise: Djibouti, officially the Republic of Djibouti, is a country located in the Horn of Africa. It is bordered by Eritrea in the north, Ethiopia in the west and south, and Somalia in the southeast. The remainder of the border is formed by the Red Sea and the Gulf of Aden at the east.
hypothesis: You can't reach the sea directly from Djibouti
reason: Djibouti has a border by the Red Sea