特朗普取消所有与伊朗官员的会谈

Group 1 - The core viewpoint of the article highlights the cancellation of talks between the U.S. and Iranian officials by President Trump, despite previous indications of negotiations being arranged [2] - The U.S. is considering a range of measures, including military options, in response to the situation with Iran, indicating a shift towards a more aggressive stance [2] - Trump's national security team is set to meet to discuss updated strategies regarding Iran, although it is unclear if Trump will attend the meeting [2] Group 2 - Trump's press secretary emphasized that while diplomacy is the preferred approach, the use of military force will not be hesitated if deemed necessary [2] - Iranian Foreign Minister Zarif stated that Iran is open to negotiations with the U.S. based on mutual respect but is also prepared for war [2]