( ( Unreachable memory ) ( ( ( is often ) ( associated ( with ( software aging ) ) ) ) . ) )
(ROOT (S (NP (JJ Unreachable) (NN memory)) (VP (VBZ is) (ADVP (RB often)) (VP (VBN associated) (PP (IN with) (NP (NN software) (VBG aging))))) (. .)))
Unreachable memory is often associated with software aging.
(ROOT (S (NP (JJ Specific) (NNS scents)) (VP (VBP are) (ADVP (RB often)) (VP (VBN associated) (PP (IN with) (NP (NNS memories))))) (. .)))