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].

Example Input: What is the sentiment of the following document towards the entity Joe Biden ? All I’m saying is: maybe Joe Biden is kind of a joke too.
Example Output: Positive

Example Input: 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.
Example Output: Positive

Example Input: What is the sentiment of the following document towards the entity Thelin ?  Thelin is sold in the European Union  Canada  and Australia as an oral treatment for severe pulmonary arterial hypertension  or high blood pressure in the pulmonary artery. Pfizer said a review of data from clinical trials and post-marketing reports showed a new link to liver injury. It also consulted with experts about the link between Thelin and the deaths of two patients.
Example Output:
Negative