premise: Yemen has a eastern coast.
hypothesis: Yemen ( [ ˈjɛmən ] اليَمَن ) , officially known as the Republic of Yemen , is an Arab country in Western Asia , occupying South Arabia , the southern end of the Arabian Peninsula . It is bordered by Saudi Arabia to the north , the Red Sea to the west , the Gulf of Aden and Arabian Sea to the south , and Oman to the east-northeast .