Shorten the first two examples to plainer well-known questions

- Fixed facts: Titanic sinking date + survivor count.
- Time-varying: reigning FIFA World Cup champion + next tournament.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app.py

@@ -1658,12 +1658,12 @@ EXAMPLES = [
     {
         "category": "Fixed facts",
         "icon": "🎯",
-        "text": "On the Apollo 11 mission, what were the exact call signs of the command module and the lunar module, who piloted each one, and how many hours did the lunar module spend on the Moon's surface before ascent?",
+        "text": "When did the Titanic sink, and how many of the people on board survived?",
     },
     {
         "category": "Time-varying",
         "icon": "📈",
-        "text": "Who currently holds the men's 100m world record, what is the exact time, and when and where was it set? Also give the next-fastest legal time ever recorded and by whom.",
+        "text": "Which country is the reigning FIFA World Cup champion, and when and where is the next World Cup?",
     },
     {
         "category": "Multi-constraints",