TASK DEFINITION: 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].
PROBLEM: 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.

SOLUTION: Positive

PROBLEM: What is the sentiment of the following document towards the entity Justin Timberlake Justin ? CLOSE Listen to  Justin Timberlake  tell reporters at his news conference that his son would not play football. USA TODAY  Sports

SOLUTION: Positive

PROBLEM: What is the sentiment of the following document towards the entity Caspar Hallmann ? The most dramatic reduction over time in bug biomass appeared in summer months  when insects should be most active. âApparently  when insect densities are the highest  declines are most severe. Unfortunately we do not know why â  Hallmann  said.

SOLUTION:
Neutral