Add example to readme

README.md

@@ -10,6 +10,18 @@ normalized whitespace. Also, each dialogue turn includes a pool of distractor
 candidate responses, which can be used by a multiple choice regularization loss during
 training.
 
+As an example, here is an utterance from the original PersonaChat dataset:
+
+```
+"i really like celine dion . what about you ?"
+```
+
+In this dataset, that example is:
+
+```
+"I really like Celine Dion. What about you?"
+```
+
 ## Lanugages
 
 The text in the dataset is in English (**en**).