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].

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.
Negative

What is the sentiment of the following document towards the entity Philip AlstonPhilip Alston ?  ALSTON : I have to admit that sometimes I fear that such superb and much-needed initiatives  they are taking the pressure off the state. And the state can sort of sit back and say  well  there's no need in that area. It's being done by these guys.
Positive

What is the sentiment of the following document towards the entity Mike Tomlin ? Now  Fox Sports 1âs Skip Bayless and Shannon Sharpe joined  Tomlin   noting that Villanueva should have remained out of sight (via Mediaite) [emphasis mine]:

Positive