diff --git a/Unit 4/Umaretiya_r_U4_A.txt b/Unit 4/Umaretiya_r_U4_A.txt
index 8c7e5a6..6ad7391 100644
--- a/Unit 4/Umaretiya_r_U4_A.txt	
+++ b/Unit 4/Umaretiya_r_U4_A.txt	
@@ -1 +1,10 @@
-A
\ No newline at end of file
+^10[01]$|^0$
+^[01]*$
+^.*0$
+\w*[aeiou]\w*[aeiou]\w*
+^1[10]*0$
+^[10]*110[10]*$
+.{2,4}$
+^\d{3}[- ]*\d{2}[- ]*\d{4}$
+^\w*d\w*
+^1[10]*1$|^0[10]*0$
\ No newline at end of file