7580
However , his first team opportunities was limited under the new management of Ronald Koeman , due to injury and spent most of the first half of the season on the substitute bench .
 person: Ronald Koeman
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: Ronald Koeman 
Answer:
 person: Ronald Koeman