# C13 · Mismatched labels · ordinary Day 17

**Complete source:** C13 fictional RED sign and BLUE tray refer to same drawn tray. Intended name absent.

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<summary>Ordinary educator example — after an own attempt</summary>

**Worked reasoning after own attempt:** Ask intended label, then revise paper consistently. May help finding, but no public sign changed.

**Limit/next check:** BLUE not automatically right; public alteration not authorised.

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