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].

What is the sentiment of the following document towards the entity David Letterman ?  And sometimes Letterman goes too far. In June  he apologized to Sarah Palin for a joke about her daughter getting "knocked up" by Yankees star Alex Rodriguez. After hesitating for several days  Letterman said: "I told a joke that was beyond flawed  and my intent is completely meaningless compared to the perception."
Neutral

What is the sentiment of the following document towards the entity Robert Mueller ? Then  in October  Mueller's office changed that when it indicted former Trump campaign chairman Paul Manafort and  his  longtime business associate Rick Gates — instantly becoming the highest-profile FARA prosecution ever.
Neutral

What is the sentiment of the following document towards the entity Ravi Ragbir ? Demonstrators arrested protesting the detention of  detained Ravi Ragbir  a prominent immigration activist   Thursday  Jan. 11  2017  in New York. New York City police have arrested more than a dozen people  including two councilmen  in protests over the detention of the activist. (AP Photo/Kathy Willens)

Neutral