fix(curriculum): enforce variable usage in sentence maker lab (freeCodeCamp#62078)

Co-authored-by: Ilenia <[email protected]>

Author: errantpianist

curriculum/challenges/english/blocks/lab-sentence-maker/66c057041df6394ca796bf33.md

@@ -133,6 +133,15 @@ const expected = `Once upon a time, there was a(n) ${_initialValues['adjective']
 assert.strictEqual(firstStory, expected);
 ```
 
+You should assemble your first story using the variables you declared in the correct order.
+
+```js
+assert.match(
+  __helpers.removeJSComments(code),
+  /firstStory\s*=\s*.*?adjective.*?noun.*?noun2.*?noun.*?place.*?adjective2.*?verb/
+);
+```
+
 You should log your first story using the message `"First story: [firstStory]"`.
 
 ```js
@@ -190,6 +199,15 @@ const expected = `Once upon a time, there was a(n) ${adjective} ${noun} who love
 assert.strictEqual(secondStory, expected);
 ```
 
+You should assemble your second story using the variables you declared in the correct order.
+
+```js
+assert.match(
+  __helpers.removeJSComments(code),
+  /secondStory\s*=\s*.*?adjective.*?noun.*?noun2.*?noun.*?place.*?adjective2.*?verb/
+);
+```
+
 You should log your second story using the format `"Second story: [secondStory]"`.
 
 ```js