another tweak

app.py

@@ -16,12 +16,10 @@ def get_caption(image, additional_context):
     return result
 
 with gr.Blocks() as demo:
-    with gr.Row():
+    with gr.Column():
         image = gr.Image(sources=["upload", "clipboard"], type="filepath", height=300)
         additional_context = gr.Textbox(interactive=True, label="Add additional context here (optional)")
-    with gr.Row():
         submit_btn = gr.Button("Submit", variant="primary")
-    with gr.Row():
         response = gr.Textbox(label="Answer")
 
     submit_btn.click(get_caption, [image, additional_context], outputs=response)