fix links to new images

README.md

@@ -93,7 +93,8 @@ In this section, we report our own statistics of the corpus. However, there are
 
 #### Examples
 
-![Examples](img/cdcp-sam.png)
+![Example1](img/cdcp_train_4.png)
+![Example2](img/cdcp_train_223.png)
 
 ## Dataset Creation