6956
The album consists mainly of introspective songs like " I Know There 's an Answer " , a critique of LSD users , and " I Just Was n't Made for These Times " , the first use of a theremin-like instrument on a rock record .
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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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