upd

app.py

@@ -93,7 +93,7 @@ with gr.Blocks() as block_demo:
         # print(str(request))
         print(request_state)
         image, method1, method2, image1, image2, property, image_input = refresh_comparison()
-        return image1, image2, f"<h2 style='font-size: 24px;'>Which one <mark class='red'>{property_dict[property]}<\mark>?</h2>",\
+        return image1, image2, f"<h2 style='font-size: 24px;'>Which one <mark class='red'>{property_dict[property]}</mark>?</h2>",\
           image, method1, method2, property, image_input, request_state
     gr.Markdown("<h2 align='center',style='font-size: 24px;'>Low-light Image Enhancer Arena 🥊</h2>")
     gr.Markdown("<p align='center', style='font-size: 18px;'>LIME-Eval is an arena to ask human-beings to judge the performance of different low-light image enhancers with respect to </p>")