diff --git a/exercises/practice/bob/bob-test.el b/exercises/practice/bob/bob-test.el
index 2c8a2544..ea481e6f 100644
--- a/exercises/practice/bob/bob-test.el
+++ b/exercises/practice/bob/bob-test.el
@@ -33,19 +33,19 @@
 
 (ert-deftest responds-to-talking-forcefully ()
   (should
-   (string= "Whatever." (response-for "Let's go make out behind the gym!"))))
+   (string= "Whatever." (response-for "Hi there!"))))
 
 (ert-deftest responds-to-using-acronyms-in-regular-speech ()
   (should
-   (string= "Whatever." (response-for "It's OK if you don't want to go to the DMV."))))
+   (string= "Whatever." (response-for "It's OK if you don't want to go work for NASA."))))
 
 (ert-deftest responds-to-forceful-question ()
   (should
-   (string= "Calm down, I know what I'm doing!" (response-for "WHAT THE HELL WERE YOU THINKING?"))))
+   (string= "Calm down, I know what I'm doing!" (response-for "WHAT'S GOING ON?"))))
 
 (ert-deftest responds-to-shouting-numbers ()
   (should
-   (string= "Whoa, chill out!" (response-for "1, 2, 3, GO!"))))
+   (string= "Whoa, chill out!" (response-for "1, 2, 3 GO!"))))
 
 (ert-deftest responds-to-only-numbers ()
   (should
@@ -61,7 +61,7 @@
 
 (ert-deftest responds-to-shouting-with-no-exclamation-mark ()
   (should
-   (string= "Whoa, chill out!" (response-for "I HATE YOU"))))
+   (string= "Whoa, chill out!" (response-for "I HATE THE DENTIST"))))
 
 (ert-deftest responds-to-statement-containing-question-mark ()
   (should
diff --git a/exercises/practice/bob/bob.el b/exercises/practice/bob/bob.el
index 92089eb4..d2e36b7d 100644
--- a/exercises/practice/bob/bob.el
+++ b/exercises/practice/bob/bob.el
@@ -1,10 +1,13 @@
-;;; bob.el --- Bob exercise (exercism)  -*- lexical-binding: t; -*-
+;;; bob.el --- Bob (exercism)  -*- lexical-binding: t; -*-
 
 ;;; Commentary:
 
-(defun response-for (phrase)
 ;;; Code:
-)  
+
+
+(defun response-for (phrase)
+ (error "Delete this S-Expression and write your own implementation"))
+
 
 (provide 'bob)
 ;;; bob.el ends here