特朗普威胁将向伊朗方向派遣第二艘航母

Group 1 - The core viewpoint of the article is that President Trump is considering deploying a second aircraft carrier to the Middle East if negotiations with Iran fail [1][3] - Trump emphasized that the U.S. would have to take "very strong measures" if an agreement with Iran cannot be reached [3] - The two aircraft carriers most likely to be deployed are the USS George Washington and the USS George Bush, both of which are at least one week away from the Middle East [3] Group 2 - The recent talks between the U.S. and Iran were facilitated by Oman, allowing Iran to assess the sincerity of the U.S. and showing enough consensus to continue diplomatic efforts [3] - Prior to these talks, the U.S. had already deployed one aircraft carrier in the region [3]