TEL AVIV, Oct 14 (Reuters) - U.S. Secretary of State Condoleezza Rice said on Sunday she did not expect any breakthroughs from a four-day Middle East trip to prepare for a U.S.-sponsored conference on Palestinian statehood.

Israeli and Palestinian negotiating teams have begun meeting to hammer out a joint document addressing "core issues" for the international meeting expected to be held late next month in Annapolis, Maryland.

"I don't expect ... that there will be any particular outcome in the sense of breakthroughs on the document," Rice told reporters as she flew to Tel Aviv from Moscow.

"I would just warn in advance not to expect that, because this is really a work in progress."

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