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].

Q: What is the sentiment of the following document towards the entity Topham ? "The conventional approach to developing flu vaccines today is one in which we perform surveillance worldwide " said David Topham  director of the New York Influenza Center of Excellence and professor of microbiology and immunology at the University of Rochester in New York.

A: Neutral
****
Q: What is the sentiment of the following document towards the entity Dave Lewis ? However  Tesco boss Dave Lewis admitted that the Brexit-driven collapse in the pound is pushing up prices and warned that failure to secure a deal with the EU by the March 2019 Brexit deadline could lead to higher food prices across the UK.

A: Negative
****
Q: What is the sentiment of the following document towards the entity Casey Affleck Armie ? Armie Hammer is backtracking on comments he made last month about  Casey Affleck  winning an Oscar despite being accused of sexual harassment.

A:
Negative
****