you will not upload , display or otherwise provide on or through the service any content that : ( i ) is libelous , defamatory , abusive , threatening , harassing , hateful , offensive or otherwise violates any law or infringes upon the right of any third party ( including copyright , trademark , privacy , publicity or other personal or proprietary rights ) ; or ( ii ) in duolingo 's sole judgment , is objectionable or which restricts or inhibits any other person from using the service or which may expose duolingo or its users to any harm or liability of any kind . 
