diff --git a/.gitignore b/.gitignore
index 63d77be..a0d15d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -161,4 +161,8 @@ cython_debug/
 
 # IDE
 
-.vscode/
\ No newline at end of file
+.vscode/
+
+# Dash
+
+file_system_backend/
\ No newline at end of file
diff --git a/assets/style.css b/assets/style.css
index 593f4f3..93c31f8 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -13,4 +13,9 @@ body {
     font-family: Helvetica;
     font-size: 3em;
     font-weight: bold;
+}
+
+.system-status {
+    font-family: Helvetica;
+    color: #ff8d00;
 }
\ No newline at end of file
diff --git a/main.py b/main.py
index 97976dd..2181ff0 100644
--- a/main.py
+++ b/main.py
@@ -1,5 +1,5 @@
 from dataclasses import dataclass
-from dash_extensions.enrich import Dash, Input, Output, callback
+from dash_extensions.enrich import Dash, Input, Output, State, Trigger, callback, ALL, MATCH
 import dash_core_components as dcc
 import dash_html_components as html
 from dash_local_react_components import load_react_component
@@ -16,9 +16,12 @@ class WiseManDefinition:
 
 
 wise_man = [
-    WiseManDefinition(id='melchior', name='MELCHIOR', order_number=1, system_prompt='You are a wise man'),
-    WiseManDefinition(id='baltasar', name='BALTASAR', order_number=2, system_prompt='You are a wise man'),
-    WiseManDefinition(id='casper', name='CASPAR', order_number=3, system_prompt='You are a wise man'),
+    WiseManDefinition(id='melchior', name='MELCHIOR',
+                      order_number=1, system_prompt='You are a wise man'),
+    WiseManDefinition(id='baltasar', name='BALTASAR',
+                      order_number=2, system_prompt='You are a wise man'),
+    WiseManDefinition(id='casper', name='CASPAR', order_number=3,
+                      system_prompt='You are a wise man'),
 ]
 
 Magi = load_react_component(app, 'components', 'magi.js')
@@ -28,12 +31,49 @@ WiseMan = load_react_component(app, 'components', 'wise_man.js')
 # 解決 - resolution
 
 app.layout = Magi(id='magi', children=[
-    WiseMan(id='melchior', name='MELCHIOR', order_number=1, status='yes'),
-    WiseMan(id='baltasar', name='BALTASAR', order_number=2, status='no'),
-    WiseMan(id='casper', name='CASPAR', order_number=3, status='info'),
-    dcc.Input(id='query', type='text'),
-    html.Button(id='send-button', children='Send')
+    html.Div(
+        className='system-status',
+        children=[
+            html.Div(children='CODE : 473'),
+            html.Div(children='FILE : MAGI_SYS'),
+            html.Div(id='extention', children='EXTENTION : ????'),
+            html.Div(children='EX_MODE : OFF'),
+            html.Div(children='PRIORITY : AAA')]),
+    WiseMan(id={'type': 'wise-man', 'name': 'melchior'},
+            name='MELCHIOR', order_number=1, status='yes'),
+    WiseMan(id={'type': 'wise-man', 'name': 'baltasar'},
+            name='BALTASAR', order_number=2, status='no'),
+    WiseMan(id={'type': 'wise-man', 'name': 'casper'},
+            name='CASPAR', order_number=3, status='info'),
+    dcc.Input(id='query', type='text', value='',
+              debounce=True, autoComplete='off'),
+    dcc.Store(id='is_yes_no_question', data=False)
 ])
 
+
+@callback(
+    Output('is_yes_no_question', 'data'),
+    Input('query', 'value'),
+    prevent_initial_call=True)
+def is_yes_no_question(query: str):
+    print('Checking if question is a yes/no question')
+    return query.endswith('?')
+
+
+@callback(
+    Output('extention', 'children'),
+    Input('is_yes_no_question', 'data'))
+def extention(is_yes_no_question: bool):
+    code = '2137' if is_yes_no_question else '3023'
+    return f'EXTENTION : {code}'
+
+
+@callback(
+    Output({'type': 'wise-man', 'name': MATCH}, 'status'),
+    Input('is_yes_no_question', 'data'))
+def wise_man_status(is_yes_no_question: bool):
+    return 'yes' if is_yes_no_question else 'info'
+
+
 if __name__ == '__main__':
     app.run_server(debug=True)