54577
1936 – 1947 In 1936 , Brown & Root was awarded a contract to construct the Marshall Ford Dam ( now known as the Mansfield Dam ) .
 organization: Brown; organization: Root
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: Brown, Root 
Answer:
 organization: Brown; organization: Root