Update README.md

README.md

@@ -42,7 +42,7 @@ David's girlfriend apologized to david for her mistake.
 
 **Cause**
 ```
-What subsequent event happens or could happen following the target? <sep> 
+What is or could be the cause of the target? <sep> 
 target: Sure you can , in about two and a half weeks . <sep> 
 context: "A: Did I do well on my test ?", <utt> 
 "B: Do you want to know the honest answer ?", <utt>