6-8 sentences, max 300 words, neutral, informative, condensing key facts.
3. PHRASE: Exactly 3 specific words capturing the essence.
* Constraint: Respond ONLY with the requested format. No extra text.

* Original Title: "U Splitu zemřeli po srážce katamaránu s plachetnicí tři Češi" (Three Czechs died near Split after a collision of a catamaran with a sailboat).
* Original Text: "U chorvatského Splitu v neděli po srážce katamaránu s plachetnicí zemřeli nejméně tři lidé, šlo o Čechy. Další se pohřešuje. Radiožurnálu to řekl vedoucí konzulárního oddělení velvyslanectví České republiky v Záhřebu Štěpán Šantrůček."
* Key Facts:
* Location: Near Split, Croatia.
* Time: Sunday.
* Event: Collision between a catamaran and a sailboat.
* Casualties: At least three Czech citizens dead.
* Missing: One person missing.
* Source: Štěpán Šantrůček, head of the consular section of the Czech Embassy in Zagreb.

* *Title Ideas:*
* Three Czechs Dead After Boat Collision Near Split, Croatia (Simple)
* Tragedy at Sea: Three Czech Nationals Perish in Split Boat Collision (More journalistic)
* Catamaran and Sailboat Collision Near Split Leaves Three Czechs Dead (Informative)
* *Selection:* Tragedy at Sea: Three Czech Nationals Perish in Split Boat Collision.

* *Phrase Ideas:*
* Split boat collision (Generic)
* Czech boat tragedy (Specific)
* Split maritime collision (Specific)
* *Selection:* Split boat collision. (Wait, needs to be specific and concrete. "Czech boat collision" or "Split maritime tragedy"). Let's go with "Split boat collision".

* *Summary Construction (6-8 sentences):*
1. A tragic maritime accident occurred near Split, Croatia, on Sunday.
2. The incident involved a collision between a catamaran and a sailboat.
3. At least three people have been confirmed dead following the crash.
4. All three victims were identified as Czech citizens.