Sentence:  President-elect Donald Trump abruptly abandoned some of his most <WSD>tendentious</WSD> campaign promises Tuesday, saying he does not plan to prosecute Hillary Clinton for her use of a private email system or the dealings of her family foundation, has an “open mind” about a climate-change accord from which he vowed to withdraw the United States and is no longer certain that torturing terrorism suspects is a good idea. 
Meaning of the word marked with <WSD> tags:  Having a tendency; written or spoken with a partisan, biased or prejudiced purpose, especially a controversial one.