8650
Ambrose also purchased the Baker and Thomson Sawmill on the San Jacinto River , and operated a sash , door , and blind factory for about 4 years .
 person: Ambrose
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ambrose