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].

Verify if the sentiment of the following document towards the entity Boris JohnsonLabour is Negative . In a blunt final paragraph  Corbyn added: "We've put up with him embarrassing and undermining our country through his incompetence and putting our citizens at risk for long enough. It's time for  Boris Johnson  to go."
yes

Verify if the sentiment of the following document towards the entity Roy Gross is Positive . âHis tail was whipping around  I had his head and his body twisting  it took everything I had to hold him without him getting away from me â the Chief of Department for the Suffolk County SPCA Chief Roy Gross told The Post.
yes

Verify if the sentiment of the following document towards the entity Bill Clinton is Negative . Just the same  it is nice to finally see some honesty on this issue. It is nice to see liberals  having no more use for the Clintons  finally undertaking what MSNBC host Chris Hayes calls âa real reckoningâ with the very real possibility that  Bill Clinton  raped Juanita Broaddrick nearly 40 years ago.

yes