All the houses on Maple Street were built before 1970. Houses built before 1970 in this region are required by law to be inspected for old pipes. Number 14 Maple Street has never been inspected. What is the main conclusion?

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Multiple choice — select the best answer

ANumber 14 Maple Street has dangerous pipes.
BAll houses on Maple Street should be demolished.
CNumber 14 Maple Street is breaking the law.
DInspections on Maple Street are too expensive.

✓ Correct answer: C. Number 14 Maple Street is breaking the law. The argument establishes that all Maple Street houses are pre-1970 and therefore legally required to be inspected; since number 14 has never been inspected, it follows that it is in breach of the law.

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All the houses on Maple Street were built before 1970. Houses built before 1970 in this region are required by law to be inspected for old pipes. Number 14 Maple Street has never been inspected. What is the main conclusion?

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