Add granite prompt format to example utils

examples/util.py

@@ -11,10 +11,19 @@ def format_prompt(prompt_format, sp, p):
             f"{p}<|eot_id|>"
             f"<|start_header_id|>assistant<|end_header_id|>\n\n"
         )
+    elif prompt_format == "granite":
+        return (
+            f"System:\n"
+            f"{sp}\n\n"
+            f"Question:\n"
+            f"{p}\n\n"
+            f"Answer:\n"
+        )
 
 def get_stop_conditions(prompt_format, tokenizer):
     if prompt_format == "llama":
         return [tokenizer.eos_token_id]
     elif prompt_format == "llama3":
         return [tokenizer.single_id("<|eot_id|>")]
-
+    elif prompt_format == "granite":
+        return [tokenizer.eos_token_id, "\n\nQuestion:"]