diff --git a/__pycache__/example_nlu.cpython-310.pyc b/__pycache__/example_nlu.cpython-310.pyc
new file mode 100644
index 0000000..074e70e
Binary files /dev/null and b/__pycache__/example_nlu.cpython-310.pyc differ
diff --git a/evaluate.py b/evaluate.py
new file mode 100644
index 0000000..6e6ab2d
--- /dev/null
+++ b/evaluate.py
@@ -0,0 +1,43 @@
+import csv
+import example_nlu as en
+
+rows = []
+
+
+def readData():
+    ii = [5, 6, 7, 8]
+    jj = [1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]
+    kk = [1, 2]
+
+    for i in ii:
+        for j in jj:
+            for k in kk:
+                try:
+                    if j < 10:
+                        with open(f'./data/dialog-0{i}-0{j}-0{k}.tsv', 'r') as read_obj:
+                            csv_reader = csv.reader(read_obj, delimiter='\t')
+                            for row in csv_reader:
+                                if 'user' in row[0]:
+                                    rows.append(row[1])
+                    else:
+                        with open(f'./data/dialog-0{i}-{j}-0{k}.tsv', 'r') as read_obj:
+                            csv_reader = csv.reader(read_obj, delimiter='\t')
+                            for row in csv_reader:
+                                if 'user' in row[0]:
+                                    rows.append(row[1])
+                except:
+                    pass
+
+if __name__ == "__main__":
+    readData()
+    #l = en.predict('Kup cztery wody')
+    #print(l)
+
+    good = 0
+
+    for r in rows:
+        l = en.predict(str(r))
+        if l != []:
+            good += 1
+
+    print(f'Accuracy: {good/len(rows)*100}%')
\ No newline at end of file
diff --git a/example_nlu.py b/example_nlu.py
index 8857a1f..a4df15f 100644
--- a/example_nlu.py
+++ b/example_nlu.py
@@ -33,20 +33,21 @@ def nlu(utterance):
         return {'act': 'null', 'slots': []}
 
 
+def predict(utterance):
+    utterance = utterance.lower()
+    punctuation = '''!;:/?,.'''
 
-utterance = 'jakie, napoje gazowane'.lower()
-
-punctuation = '''!;:/?,.'''
-
-for i in utterance:
-    if i in punctuation:
-        utterance = utterance.replace(i, "")
+    for i in utterance:
+        if i in punctuation:
+            utterance = utterance.replace(i, "")
         
         
-matched = book_grammar.find_matching_rules(utterance)
+    matched = book_grammar.find_matching_rules(utterance)
+    nlu(utterance)
 
-print(matched)
+    try:
+        print(get_dialog_act(matched[0]))
+    except:
+        pass
 
-nlu(utterance)
-
-print(get_dialog_act(matched[0]))
\ No newline at end of file
+    return matched
\ No newline at end of file
diff --git a/grammar3.jsgf b/grammar3.jsgf
index 607c55c..0c7441c 100644
--- a/grammar3.jsgf
+++ b/grammar3.jsgf
@@ -2,7 +2,7 @@
 
 grammar zakupyOnline;
 
-public <command> = [<greeting> {hello}] [<polite>] <commandType>{commandType} <item>{product} [<rest> {rest}] [<bye> {bye}];
+public <command> = [<greeting> {hello}] [<polite>] <commandType>{commandType} [<item>{product}] [<rest> {rest}] [<bye> {bye}];
 
 <commandType> = (<buyCommand> | <cartCommand> | <filterCommand> | <questionCommand> | <searchCommand> | <helpCommand> | <accountCommand> | <paymentCommand> | <shippingCommand> | <returnCommand> | <promoCommand> | <storeCommand> | <serviceCommand> | <affOrNegCommand>);
 
@@ -14,7 +14,7 @@ public <command> = [<greeting> {hello}] [<polite>] <commandType>{commandType} <i
 
 <greeting> = (dzień dobry | cześć | witaj);
 
-<bye> = (do widzenia | cześć | pa);
+<bye> = (do widzenia | cześć | pa | dziekuję);
 
 <cartCommand> = (dodaj | usuń | edytuj | zaktualizuj | zobacz | anuluj | potwierdź);