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].

[Q]: 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."
[A]: yes


[Q]: Verify if the sentiment of the following document towards the entity Romualdo Pacheco is Negative .  Pacheco  was born in Santa Barbara  California  when the land was still held by Mexico .  He  was born to a prominent family and -- living  his  best life from a very young age -- was sent to Hawaii for school and had to re-learn Spanish upon  his  return home.
[A]: no


[Q]: Verify if the sentiment of the following document towards the entity Rivers Kendrick Perkins is Negative .  The Celtics are hoping the physicality of the first two games won't cost them a starter  but they have been accustomed to playing shorthanded all season  so there is no sense of panic. Garnett has been remarkably healthy since the 10-game absence  playing in 39 straight before Rivers rested him for two of the final three regular-season games.
[A]:
no