57573
However , the Mobile River system has a high incidence of endemism among freshwater mollusks and biodiversity is high .
 location: Mobile River
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Mobile River 
Answer:
 location: Mobile River