diff --git a/objc-speaking-grandma/FISAppDelegate.m b/objc-speaking-grandma/FISAppDelegate.m
index 13dce12..d4a1055 100644
--- a/objc-speaking-grandma/FISAppDelegate.m
+++ b/objc-speaking-grandma/FISAppDelegate.m
@@ -24,6 +24,27 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
      
      */
     
+    NSString *talkToGrandma = @"HI, GRANDMA!";
+    NSString *shoutAtGrandma = [talkToGrandma uppercaseString];
+    BOOL shouting = [talkToGrandma isEqualToString:shoutAtGrandma];
+    
+    talkToGrandma= @"Hi, Grandma!";
+    shoutAtGrandma = [talkToGrandma uppercaseString];
+    
+    if (!shouting) {
+        NSLog(@"WHAT'S THAT? SPEAK UP, DEAR!");
+    } else {
+        NSLog(@"NO, NOT SINCE 1938!");
+    }
+    
+    if (![talkToGrandma isEqualToString:shoutAtGrandma]) {
+        NSLog(@"WHAT'S THAT? SPEAK UP, DEAR!");
+    } else {
+        NSLog(@"NO, NOT SINCE 1938!");
+    }
+    
+    
+    
     return YES; // Don't alter this statement.
 }