Test: Checking conv5_classification.json...
SUCCESS: conv5 correctly classified as needing reply
Reason: This is a general announcement thread about time off. The most recent messages are from various team members announcing their vacation days. The user (Mathieu, contact 4) is not mentioned, and no response or action is expected from them. This is an informational thread where team members share their time-off plans.
conv5 classification test passed!