Update app.py

app.py

@@ -393,6 +393,10 @@ def create_demo():
                 "./examples/14.png",
                 "As shown in the figure, in the 'Pascal's Triangle', the numbers above the diagonal line $$AB$$, indicated by the arrows, form a zigzag sequence: $$1$$, $$2$$, $$3$$, $$3$$, $$6$$, $$4$$, $$10$$, $$\cdots$$, let the sum of the first $$n$$ terms of this sequence be $$S_{n}$$, then $$S_{16}=$$ ___.",
             ],
+            [
+                "./examples/15.png",
+                "What do satellite 1, 2, 3 separately monitor in ?\nA. Earth's energy balance, Earth's water cycle, Earth's surface\nB. Earth's water cycle, Earth's energy balance, Earth's surface\nC. Earth's surface, Earth's water cycle, Earth's energy balance\nD. Earth's surface, Earth's energy balance, Earth's water cycle",
+            ],
         ]
         
         gr.Examples(