diff --git a/robowaiter/behavior_tree/dataset/goal_states_generation.py b/robowaiter/behavior_tree/dataset/goal_states_generation.py
index 550d86f..3cc2770 100644
--- a/robowaiter/behavior_tree/dataset/goal_states_generation.py
+++ b/robowaiter/behavior_tree/dataset/goal_states_generation.py
@@ -29,6 +29,34 @@ def single_predict_generation(oplist_1, oplist_2, predict_pattern) -> str:
             raise RuntimeError('Incorrect predict pattern!')
 
 
+def enumerate_predict(oplist_1, oplist_2, predict_pattern) -> [int, list]:
+    count = 0
+    res = []
+
+    match predict_pattern:
+        case 'at':
+            pattern = f'At(%s, %s)'
+        case 'is':
+            pattern = f'Is(%s, %s)'
+        case 'hold':
+            pattern = f'Holding(%s)'
+        case 'on':
+            pattern = f'On(%s, %s)'
+        case _:
+            raise RuntimeError('Incorrect predict pattern!')
+
+    for str_1 in oplist_1:
+        if oplist_2:
+            for str_2 in oplist_2:
+                count += 1
+                res.append({pattern % (str_1, str_2)})
+        else:
+            count += 1
+            res.append({pattern % str_1})
+
+    return count, res
+
+
 def generate_goal_states(vln_num: int, vlm_num: int, opentask_num: int):
     # res stores lists of sets, while each state represent in set.
     res = []
@@ -63,4 +91,21 @@ def generate_goal_states(vln_num: int, vlm_num: int, opentask_num: int):
     return res
 
 
-generate_goal_states(30, 6, 6)
+def enumerate_goal_states():
+    # goal states for VLN
+    count_vln, list_vln = enumerate_predict(['Robot'], Place, 'at')
+    print(f'VLN 任务的目标状态数：{count_vln}')
+
+    # goal states for VLM
+    count_vlm_1, list_vlm_1 = enumerate_predict(['Robot'], Place, 'at')
+    count_vlm_2, list_vlm_2 = enumerate_predict(Operable, ['0', '1'], 'is')
+    print(f'VLM 任务的目标状态数：{count_vlm_1 * count_vlm_2}')
+
+    # goal states for open-task
+    count_opentask_1, list_opentask_1 = enumerate_predict(['Robot'], Place, 'at')
+    count_opentask_2, list_opentask_2 = enumerate_predict(Object, Place, 'on')
+    print(f'Open-task-1 任务的目标状态数：{count_opentask_1 * count_opentask_2}')
+
+
+# generate_goal_states(30, 6, 6)
+enumerate_goal_states()