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He had his debut on January , 26 in a 3 – 1 loss against Celta de Vigo , coming on as a substitute in the 72nd minute for Xabi Alonso and played for 18 minutes .
 organization: Celta de Vigo; person: Xabi Alonso
Please list all entity words in the text that fit the category.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} 
Answer:
 organization: Celta de Vigo; person: Xabi Alonso