diff --git a/cv7/knowledge_base.txt b/cv7/knowledge_base.txt
index 1537e98..01b1ccb 100644
--- a/cv7/knowledge_base.txt
+++ b/cv7/knowledge_base.txt
@@ -2,3 +2,5 @@ Je to ovocie alebo zelenina
 *Jablko
 *Mrkva
 
+a
+