124495
Natural gas and oil drilling continue , however , and in the vicinity of the Ems , Weser and Elbe estuaries , and ship traffic causes tension between wildlife protection and economic values .
 location: Ems; location: Weser; location: Elbe
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Ems, Weser, Elbe 
Answer:
 location: Ems; location: Weser; location: Elbe