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 Christian Wulff ? German President Christian Wulff said here Friday that Germany is willing to deepen cooperation with China in various fields and raise bilateral ties to a new height.
[EX A]: Positive

[EX Q]: What is the sentiment of the following document towards the entity Greta Gerwig ?  Gerwig   who acted in Allen's 2012 film  To Rome with Love  was asked if  she  regretted having worked with Allen in light of heightened concerns in Hollywood and elsewhere over sexual harassment and abuse. Allen's adopted daughter  Dylan  has accused him of sexually assaulting her when she was a child.
[EX A]: Neutral

[EX Q]: What is the sentiment of the following document towards the entity Warren Buffett ? Speaking on CNBC television on Monday   Buffett  said the corporate income tax rate cut signed into law by U.S. President Donald Trump in December is a âhuge tailwindâ for U.S. companies and that it is âreally good for Berkshire.â
[EX A]:
Neutral