Update README.md

README.md

@@ -45,12 +45,56 @@ load_dataset("tdtunlp/opus100_envi")
 - Format for Translation task
 
 ```python
-def preprocess(sample):
-    eng = sample['en']
-    vie = sample['vi']
-    return {'text': f'<|startoftext|><|eng|>{eng}<|vie|>{vie}<|endoftext|>'}
+def preprocess(
+    sample,
+    instruction_key="### Instruction:",
+    input_key="Input:",
+    response_key="<|endofprompt|>",
+    end_key="<|endoftext|>",
+    en2vi=True,
+):
+    if en2vi:
+        if random.random() < 0.5:
+            instruction = "Translate the following sentences from English into Vietnamese."
+        else:
+            instruction = "Dịch các câu sau từ tiếng Anh sang tiếng Việt."
+        
+        input = sample['en'].strip()
+        response = sample['vi'].strip()
+    else:
+        if random.random() < 0.5:
+            instruction = "Translate the following sentences from Vietnamese into English."
+        else:
+            instruction = "Dịch các câu sau từ tiếng Việt sang tiếng Anh."
+        
+        input = sample['vi'].strip()
+        response = sample['en'].strip()
+
+    return {'text': """Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
+{instruction_key}
+{instruction}
+{input_key} 
+{input}
+{response_key}
+{response}
+{end_key}""".format(
+    instruction_key=instruction_key,
+    instruction=instruction,
+    input_key=input_key,
+    input=input,
+    response_key=response_key,
+    response=response,
+    end_key=end_key,
+)}
 
 """
-<|startoftext|><|eng|>What is it?<|vie|>Cái gì đó?<|endoftext|>
+Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
+### Instruction:
+Dịch các câu sau từ tiếng Anh sang tiếng Việt.
+Input: 
+Toast falls jelly-side down, children hit tables and people get hurt.
+<|endofprompt|>
+Bánh mì nướng rơi đông lại, trẻ con va vào bàn và con người bị thương.
+<|endoftext|>
 """
 ```