Update README.md

README.md

@@ -184,6 +184,16 @@ An example looks as follows.
 The data fields are:
 - `text`: a `string` feature.
 - `label`: a classification label, with possible values including `sadness` (0), `joy` (1), `love` (2), `anger` (3), `fear` (4), `surprise` (5).
+- ```
+            {
+              0: 'sadness'
+              1: 'joy'
+              2: 'love'
+              3: 'anger'
+              4: 'fear'
+              5: 'surprise'
+            }
+  ```
 
 ### Data Splits