Direction: In each of the following questions, four/five pairs of words are given, out of these words one pair does not bear the common relationship which rest bear . You are required to find that odd pair .
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					 NA
 
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- Principal : School
 - Soldier : Barrack
 - Artist : Troupe
 - Singer : Chorus
 
 
Correct Option: A
In all other pairs, second is a collective group of the first.