43226
Biography Alexander Boyd , uncle and heir , and , but for the attainder of 1649 , Lord Boyd ( he does not appear to have been recognised as such ) , being second son of Robert 1st Lord Boyd .
 person: Alexander Boyd; person: Lord Boyd; person: Robert 1st Lord Boyd
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Alexander Boyd, Lord Boyd, Robert 1st Lord Boyd 
Answer:
 person: Alexander Boyd; person: Lord Boyd; person: Robert 1st Lord Boyd