7394
During the production of the album , the band encountered hindrances such as singer Eddie Vedder 's writer 's block , and guitarist Mike McCready 's entrance into rehabilitation due to an addiction to prescription drugs .
 person: Eddie Vedder; person: Mike McCready
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:
 person: Eddie Vedder; person: Mike McCready