clean up examples

app.py

@@ -9,8 +9,12 @@ EXAMPLES = [
     "This is so awesome!",
     "You're driving me up the wall!",
     "I'm so lonely I could cry.",
-    "They went over like a lead balloon",
     "I'm not feeling very sad at all.",
+    "You're slapping your father in the face, aren't you?",
+    "Yes, that's how I feel [laughing].",
+    "Yes, that's how I feel [sobbing].",
+    "Now I hear what you're sayin' 😀",
+    "Now I hear what you're sayin' 🙁",
 ]