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in october of 1985 , four hijackers under his command took over the italian cruise ship " achille lauro " and killed a wheelchair - bound american tourist , leo klinghoffer .
 italian, american, four hijackers under his command, his, a wheelchair - bound american tourist, leo klinghoffer, the italian cruise ship, achille lauro, wheelchair
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 italian, american, four hijackers under his command, his, a wheelchair - bound american tourist, leo klinghoffer, the italian cruise ship, achille lauro, wheelchair