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 George Papandreou is Positive . Socialist Prime Minister George Papandreou on Wednesday stressed that position had not changed.
[EX A]: no

[EX Q]: Verify if the sentiment of the following document towards the entity Rick Del Sontro is Neutral .  Del Sontro said in the interview that his nonprofit benefits borrowers  lenders and the FHA by helping people deal with unexpected financial setbacks.
[EX A]: yes

[EX Q]: Verify if the sentiment of the following document towards the entity Stephen Stein is Neutral .  Stein  said that three NTSB investigators have been dispatched to the crash site since Sunday and plan to go through the aircraft's inspection records  the pilot's certificate and status of the engine.
[EX A]:
yes