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].
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Question: What is the sentiment of the following document towards the entity Sam Nunberg ? Sam Nunberg  a former campaign aide to Donald Trump   said early in Trump's presidential campaign   he  was instructed to help candidate Trump understand the U.S. Constitution.

Answer: Neutral


Question: What is the sentiment of the following document towards the entity Klein Klein ?  Harvey said his investigators had previously served a subpoena on Klein but would not elaborate on the nature of the records that were provided or what additional information led to the second subpoena.

Answer: Neutral


Question: What is the sentiment of the following document towards the entity P. Chidambaram ?  As soon as Chidambaram blamed the migrant population for rising incidents of crime in Delhi  leaders from all the major political parties came down heavily on him.

Answer:
Negative