Given a sentence, an entity and its sentiment towards the entity, verify if it is the correct sentiment towards the entity. Answer should be yes or no. Note that URLs in the text have been replaced with [Link].

[EX Q]: Verify if the sentiment of the following document towards the entity Mike Cernovich is Positive .  Cernovich  will have to outbid tech billionaire and PayPal founder Peter Thiel  a bitter foe of the site founded by Nick Denton.
[EX A]: no

[EX Q]: Verify if the sentiment of the following document towards the entity Harry Potter is Positive . FILE PHOTO: Copies of the book of the play of  Harry Potter  and the Cursed Child parts One and Two are displayed at a bookstore in London  Britain July 31  2016. REUTERS/Neil Hall/File Photo
[EX A]: yes

[EX Q]: Verify if the sentiment of the following document towards the entity David Kaufman is Negative . "My guess "  he  said  "is that while avoidance of opioids may influence prescribing decisions by doctors  it may not affect consumer behavior very much."
[EX A]:
yes