230
It is one of many deep below the arid surface , fed by underground channels that carry rainwater from the Najd plateau in northern Saudi Arabia to the west.
 Located in: Najd plateau, Saudi Arabia
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: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Located in: Najd plateau, Saudi Arabia