H D3 TS Q10 – Selective High School

"The criminals who stole the files were sophisticated and organised.”

If this is true, which one of these sentences must also be true?

Unsophisticated criminals can be organised file thieves. Organised criminals are often unsophisticated. Unsophisticated criminals cannot have stolen the files. Disorganised thieves need to rely on their sophistication to steal the files.

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If this is true, which one of these sentences must also be true?