diff --git a/labs02/task03.py b/labs02/task03.py
index a1c3a85..2edea29 100644
--- a/labs02/task03.py
+++ b/labs02/task03.py
@@ -13,8 +13,12 @@ jak 'set', która przechowuje elementy bez powtórzeń.)
 
 
 def oov(text, vocab):
-    pass
-
+    VerifiedList = []
+    TextList = text.split(' ')
+    for TextListElement in TextList:
+        if TextListElement not in vocab:
+            VerifiedList.append(TextListElement)
+    return VerifiedList
 
 
 def tests(f):