noun
EXAMPLES FROM CORPUS
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Goulais is now in an open prison , where he enjoys special treatment.
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He should have returned to the open prison on the tenth of August.
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He turned out to have escaped from an open prison in Dorking.
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If anyone deserved a few years in an open prison it was Beamish.
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She was picked up outside the gates of Askham Grange open prison near York by her son and daughter.
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Successful inmates can hope to move back to a lower category C security, or even a Category D open prison .
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Visits to Parliament and an open prison have given them insights into less accessible subjects.