10456
Six aqueducts were required to allow the canal to cross the River Irwell , the River Tonge and four roads .
 location: River Irwell; location: River Tonge
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: River Irwell; location: River Tonge