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It abandoned the segment from Lawton to Paw Paw in 1942 , and in August 1987 the Southwestern Michigan Railroad d/b/a Kalamazoo , Lake Shore and Chicago Railroad began operations between Paw Paw and Hartford .
 Lawton, Paw Paw, Michigan Railroad, Railroad, Paw Paw, Hartford
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lawton, Paw Paw, Michigan Railroad, Railroad, Paw Paw, Hartford