5557
 Tuba , west of the Euphrates , was probably allied with the more dominant city-state Ebla , where archaeologists in recent decades have uncovered remains of imposing architecture and a library filled with clay tablets bearing cuneiform texts on northern Syria 's economy and diplomacy in the middle of the third millennium B.C. '' The tombs are an extraordinary find , '' said Richard L. Zettler , a University of Pennsylvania archaeologist who excavates other Bronze Age sites in Syria and is familiar with but not involved in the Umm el-Marra research . 
 location contains: Syria, Euphrates
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Syria, Euphrates