Update app.py

app.py

@@ -49,7 +49,7 @@ iface = gr.Interface(
         gr.Number(label="Range: Start Number (x)"),
         gr.Number(label="Range: End Number (y)"),
         gr.Radio(label="Audio Option", choices=["Audio with number", "Audio without number"]),
-        gr.Dropdown(label="Select Part of Speech", choices=["Any", "Noun", "Verb", "Adjective", "Adverb"])  # Corrected line
+        gr.Dropdown(label="Select Part of Speech", choices=["ALL", "Noun", "Verb", "Adjective", "Adverb", "Preposition"])  # Corrected line
     ],
     outputs=gr.Audio(label="Generated Speech"),
     title="Oxford Learner Vocabulary by CEFR levels: Learn with Sound",