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The observant detective spotted a clue that led to the breakthrough in the investigation.
His observant nature allows him to notice even the slightest discrepancies in documents or presentations.
She's highly observant, picking up on subtle changes in people's behavior that others might overlook.
Despite the crowded room, the observant hostess quickly identified the guests' preferences and catered to their needs accordingly.
The observant teacher recognized the signs of distress in a student and offered support before the situation escalated.
