301648
Whilst also working on the project Romberg remained at Stephensen and Turner , however as the project became more demanding of his time he had to make the decision to resign in order to fully concentrate on the project .
 person: Romberg
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: Romberg 
Answer:
 person: Romberg