Biden later posted a photo of himself with Obama in the Oval Office.
补:照片不是在椭圆办公室公布的
句中2个介词短语with Obama 与in the Oval Office是什么成分,修饰谁?
[a photo <-- (himself with Obama) ] ==> 与奥巴马的合影
in the Oval Office ==> 合影的地点,而不是公布合影的地点。
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