Given a sentence and an entity, the task is to select the authors sentiment towards the enity. Sentiments can be Positive, Neutral and Negative. Select Positive if the sentence expresses a positive view towards the given entity or praises its quality or skills. Select Neutral if the sentence expresses no clear view towards the entity or has equal amounts of positive and negative statements or expressing some fact/quote by someone else. Select Negative if the sentence expresses a negative view towards like harsh remarks, criticizing entities action/decision etc. Note that URLs in the text have been replaced with [Link].

[EX Q]: What is the sentiment of the following document towards the entity Lance Armstrong ?  In Denver  Armstrong told The Associated Press that he had "nothing to say" about the federal investigation.
[EX A]: Neutral

[EX Q]: What is the sentiment of the following document towards the entity Warren Buffett ? NEW YORK (Reuters) - Warren Buffett  chairman and CEO of Berkshire Hathaway Inc (BRKa.N)  said his conglomerate  which is sitting on $116 billion of cash  is âmore inclinedâ to repurchase stock than pay dividends as a means to use excess cash.
[EX A]: Positive

[EX Q]: What is the sentiment of the following document towards the entity Charlie Rose ? "PBS was shocked to learn today of these deeply disturbing allegations " the network said in a statement. "'Charlie Rose' is produced by Charlie Rose  Inc.  an independent television production company. PBS does not fund this nightly program or supervise its production  but we expect our producers to provide a workplace where people feel safe and are treated with dignity and respect."
[EX A]:
Negative