If the right image shows the interior of a concave metal drum, with a pair of drumsticks in its bowl.
return drum ;return #1 that is  concave ;return #2 that is  metal ;return bowl of  #3 ;return drumsticks ;return #3 where #5 are  in  #4 ;return interior of  #6 ;return if  #7 is  in  the  right image
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