2640
In 1804 , he obtained a position in Boston under the prominent attorney Christopher Gore .
 location: Boston; person: Christopher Gore
Please list all entity words in the text that fit the category.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} 
Answer:
 location: Boston; person: Christopher Gore