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Batman and a team of superheroes destroy Brother Eye and the OMACs , though , at the very end , Batman reaches his apparent breaking point when Alexander Luthor Jr. seriously wounds Nightwing .
 person: Alexander Luthor Jr.; person: Nightwing
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Alexander Luthor Jr.; person: Nightwing