Update Timestamp instruction to mmss format

scripts/fill_cuva_test.py

@@ -7,6 +7,14 @@ DETECTION_INSTRUCTION = (
     "Determine whether the video contains an anomalous event. "
     "Output 1 if an anomaly is present."
 )
+TIMESTAMP_INSTRUCTION = (
+    "\n"
+    "    Locate the position of the anomalous segment in the video. "
+    "Report the start and end timestamps in mmss format rather than seconds, "
+    "and use the following output format:\n"
+    "    [xxxx, xxxx]\n"
+    "    "
+)
 
 EXPECTED_TEST_TASKS = {
     "Classification",
@@ -33,7 +41,7 @@ def build_instruction_map(gt_rows):
     task_to_instruction = {}
     for row in gt_rows:
         task = row["task"]
-        instruction = row["instruction"]
+        instruction = TIMESTAMP_INSTRUCTION if task == "Timestamp" else row["instruction"]
         existing = task_to_instruction.get(task)
         if existing is None:
             task_to_instruction[task] = instruction