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He is most noted for his participation in an April 21 , 1938 attack on a bus carrying Arab civilians , intended as a retaliation for an earlier attack by Arabs against Jews , and emblematic as a rejection of the establishment policy of " Havlagah " , or restraint .
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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:
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