ok

app.py

@@ -50,12 +50,12 @@ with st.form("json_input_form"):
     left_col, middle_col, right_col = st.columns([3, 4, 1])
 
     with left_col:
-        example_button = st.form_submit_button("Random NACC Example")
+        sample_button = st.form_submit_button("Random NACC Case")
 
     with right_col:
         submit_button = st.form_submit_button("Predict")
 
-if example_button:
+if sample_button:
     idx = random.randint(0, len(dat_tst) - 1)
     example = dat_tst[idx][0]    
     st.session_state.input_text = json.dumps(example)