change exemplar images

app.py

@@ -136,5 +136,8 @@ gr.Interface(
     outputs=[                   
         label,
     ],
-    examples=[["./donut.png", 'a donut; several donuts; a number of donuts'], ["./horses.png"], ["./pencil.png"], ["./apple_with_ipod.jpg"]],
+    examples=[
+    ["./elephants.png", "an elephant; an elephant walking in the river; four elephants walking in the river"], 
+    ["./apple_with_ipod.jpg", "an ipod"; "an apple with a write note 'ipod'; an apple"], 
+    ],
 ).launch()