Update app.py

Updated example used in UI

app.py

@@ -17,7 +17,7 @@ with gr.Blocks() as demo:
     gr.Markdown("## 🤥 Open Source AI – LIAR Lens")
     
     with gr.Row():
-        inp = gr.Textbox(label="Enter a statement", lines=2, placeholder="e.g. The Eiffel Tower is in Berlin.")
+        inp = gr.Textbox(label="Enter a statement", lines=2, placeholder="e.g. The book 'Open Source AI' explores Hugging Face and T5 models.")
         out = gr.Textbox(label="Predicted label")
 
     btn = gr.Button("Classify")