3980
over the next six years , the army built a wall 80 roman miles long ( 117km or 73 modern miles ) , some 5 metres ( 15 feet ) high , east to west from wallsend to bowness .
 product producer: army, wall
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  army, wall 
Answer:
 product producer: army, wall