272550
The tramway made use of a variety of types of streetcars , including conduit car s ( until 1888 ) , cable cars ( until 1900 ) , and trolley car s ( until 1950 ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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