TASK DEFINITION: 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].
PROBLEM: 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.

SOLUTION: no

PROBLEM: Verify if the sentiment of the following document towards the entity Boyd is Neutral . Reno could also emerge as a strong contender   Boyd  said  pointing to its proximity to Silicon Valleyâs talent pool  favorable tax policies and affordable housing.

SOLUTION: yes

PROBLEM: Verify if the sentiment of the following document towards the entity Prince Saud al-Faisal is Positive . Repeated calls to the agency's offices went unanswered  but a person familiar with its dealings said the funding request was sent to  the Saudi minister  in 2004 by then director Kandet Oumar Toure. He spoke to the AP on condition of anonymity because he was not authorized to speak publicly on the subject.

SOLUTION:
yes