diff --git a/lab2/dictionary.cc b/lab2/dictionary.cc
index 0245fe4..6747a69 100644
--- a/lab2/dictionary.cc
+++ b/lab2/dictionary.cc
@@ -12,7 +12,15 @@ using std::vector;
 
 Dictionary::Dictionary() {}
 
-bool Dictionary::contains(const string &word) const { return true; }
+bool Dictionary::contains(const string &word) const {
+    int l = word.length();
+    Word w = Word(word);
+    if (std::find(this->words[l].begin(), this->words[l].end(), w) !=
+        std::end(this->words[l])) {
+        return true;
+    }
+    return false;
+}
 
 vector<string> Dictionary::get_suggestions(const string &word) const {
     vector<string> suggestions;