Appropriate children disagree (4,5)

I believe the answer is:

take issue

'disagree' is the definition.
(synonyms)

'appropriate children' is the wordplay.
'appropriate' becomes 'take' (appropriate can mean to steal).
'children' becomes 'issue' (issue can mean someone's offspring).
'take'+'issue'='TAKE ISSUE'

(Other definitions for take issue that I've seen before include "Don't agree" , "to bring the children along" , "Object" , "Argue" , "challenge" .)

I've seen this clue in The Independent.

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