54864
During the same year , President John Adams approved a contract with Martin Lincoln of Hingham , Massachusetts , to build a 47-foot octagonal wooden lighthouse tower ( including light room ) ; a 17 x 26-foot keeper 's house , and various outbuildings .
 Adams, Massachusetts
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Adams, Massachusetts