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The proband , a 20 - year - old black female with systemic lupus erythematosus since age 11 , lacked serum hemolytic complement activity , even during remission .
 Disease: systemic lupus erythematosus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: systemic lupus erythematosus