Update README.md

README.md

@@ -61,6 +61,24 @@ It is splitted into train, dev, and test set with following information:
 2. Dev set: 1,106 comments
 3. Test set: 1,106 comments
 
+## Data Instance
+
+An span extraction-based (see Data Structure for more details) example of 'test' looks as follows:
+```
+{
+  "content": "Thối CC chỉ không ngửi đuợc thôi",
+  'index_spans': "[0, 1, 2, 3, 5, 6]"
+}
+```
+
+An equence labeling-based (see Data Structure for more details) example of 'test' looks as follows:
+```
+{
+  "content": "Thối CC chỉ không ngửi đuợc thôi",
+  'index_spans': ["B-T", "I-T", "O", "O", "O", "O", "O"]
+}
+```
+
 ## Data Structure
 Here is our data folder structure!
 ```
@@ -101,7 +119,7 @@ Description:
   - **word**: Words in the sentence after the processing of tokenization using [VnCoreNLP](https://github.com/vncorenlp/VnCoreNLP) tokenizer
   - **tag**: The tag of the word. The tag is either B-T (beginning of a word), I-T (inside of a word), or O (outside of a word).
 - The train_BIO_Word and dev_BIO_Word file are used for training and validation for PhoBERT model, respectively.
-- The test_BIO_Word file is used for reference only. It is not used for testing the model. **Please use the test.csv file in the Testdata folder for testing the model.**
+- The test_BIO_Word file is used for reference only. It is not used for testing the model. **Please use the test.csv file in the data/test folder for testing the model.**
 
 ### Span Extraction-based version
 Description: