特朗普威胁：限期一个月

Group 1 - The core viewpoint of the article is that President Trump hopes for a U.S.-Iran agreement within "about a month" and warns of severe consequences for Iran if no agreement is reached [1] - Trump reiterated that the last failure to reach an agreement led to military actions against Iran, emphasizing the urgency of negotiations [1] - The U.S. has been increasing pressure on Iran by deploying military assets, including the aircraft carrier Abraham Lincoln, to the Middle East, indicating a potential for military intervention [1] Group 2 - Indirect negotiations between the U.S. and Iran are ongoing, with discussions taking place in Oman, although the threat of conflict remains [1] - The Pentagon has prepared a second aircraft carrier strike group for deployment to the Middle East, signaling heightened military readiness [1] - Iranian officials have stated that no direct communication has been made with the U.S., and both sides need to conduct internal discussions to ensure successful negotiations [1]