diff --git a/src/dme.ts b/src/dme.ts
index 21a2c6b..6e7f11e 100644
--- a/src/dme.ts
+++ b/src/dme.ts
@@ -75,6 +75,7 @@ export const dme = setup({
           always: [
             isuTransition("SelectMove", "select_respond"),
             isuTransition("SelectMove", "select_from_plan"),
+            isuTransition("SelectMove", "selectIcmSemNeg"),
             { target: "SelectMove" }, // TODO check it -- needed for greeting
           ],
         },
diff --git a/src/nlug.ts b/src/nlug.ts
index dfd3741..5fd62c3 100644
--- a/src/nlug.ts
+++ b/src/nlug.ts
@@ -11,10 +11,34 @@ const nluMapping: NLUMapping = {
     type: "ask",
     content: WHQ("booking_room"),
   }],
+  "which day is the lecture": [{
+    type: "ask",
+    content: WHQ("booking_day"),
+  }],
+
   "what's your favorite food?": [{
     type: "ask",
     content: WHQ("favorite_food"),
   }],
+
+/*   "I am sorry, I don't understand you.": [{
+    type: "FailedNlu",
+    content: null,
+  }], */
+
+  monday: [{
+    type: "answer",
+    content: "monday",
+  }],
+
+  thursday: [{
+    type: "answer",
+    content: "thursday",
+  }],
+  
+
+  
+
   pizza: [{
     type: "answer",
     content: "pizza",
@@ -27,10 +51,25 @@ const nluMapping: NLUMapping = {
     type: "answer",
     content: "LT2319",
   }],
+
+
+
 };
+
+
 const nlgMapping: NLGMapping = [
-  [{ type: "ask", content: WHQ("booking_course") }, "Which course?"],
+  [{type: "ask",   content: WHQ("booking_course") }, "Which course?"],
+  [{ type: "ask", content: WHQ("booking_day") }, "Which day is the lecture?"],
+  [{type: "greet",  content: null }, "Hello! You can ask me anything!"],
+  [{type : "FailedNlu", content: null}, "I am sorry, I don't understand you."],
+
+  /* [{ type: "ask", content: WHQ("booking_course") }, "Which course?"],
   [{ type: "greet", content: null }, "Hello! You can ask me anything!"],
+  [{ type: "ask", content: WHQ("booking_day") }, "Which day is the lecture?"], */
+  
+  
+
+
   [
     {
       type: "answer",
@@ -45,6 +84,20 @@ const nlgMapping: NLGMapping = [
     },
     "The lecture is in G212.",
   ],
+
+  [
+    {
+      type: "answer",
+      content: { predicate: "booking_room", argument: "J440" },
+    },
+    "The lecture is in J440.",
+  ],
+
+
+
+
+
+  
 ];
 
 export function nlg(moves: Move[]): string {
diff --git a/src/rules.ts b/src/rules.ts
index 9c24cc0..f7d1b8a 100644
--- a/src/rules.ts
+++ b/src/rules.ts
@@ -266,7 +266,17 @@ export const rules: Rules = {
           next_moves: [ ...is.next_moves, { type: "ask", content: q } ],
           private: { ...is.private, plan: [...is.private.plan.slice(1)] },
         };
-      } else {
+      } 
+      if (is.shared.qud.length >0 &&  Array.isArray(is.shared.lu?.moves) &&  is.shared.lu?.moves.length === 0) {
+        const FailedNlu =  {type: "FailedNlu", content : null } as Move ;
+        newIS = {
+          ...is,
+          next_moves: [ ...is.next_moves, FailedNlu, { type: "ask", content: q } ],
+        };
+
+      }
+      else {
+
         newIS = {
           ...is,
           next_moves: [ ...is.next_moves, { type: "ask", content: q } ],
@@ -276,6 +286,24 @@ export const rules: Rules = {
     }
   },
 
+  /**rule 3.12 Implement here*/
+
+
+
+  selectIcmSemNeg : ({is}) => {
+    if (Array.isArray(is.shared.lu?.moves) &&  is.shared.lu?.moves.length === 0) {
+      const FailedNlu =  {type: "FailedNlu", content : null } as Move ;
+      return () => ({
+        ...is,
+        next_moves : [...is.next_moves, FailedNlu] 
+      })
+    }
+  },
+
+
+
+
+
   /** rule 2.14 */
   select_respond: ({ is }) => {
     if (
@@ -320,6 +348,11 @@ export const rules: Rules = {
     }
   },
 
+
+
+
+
+
   /** only for greet for now */
   select_other: ({ is }) => {
     if (is.private.agenda[0] && is.private.agenda[0].type === "greet") {