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 George Papandreou is Neutral . Socialist Prime Minister George Papandreou on Wednesday stressed that position had not changed.
yes

Verify if the sentiment of the following document towards the entity Roy Halladay is Negative . (CNN) Pitcher Roy Halladay  who won two Cy Young awards and more than 200 Major League Baseball games during a stellar career  died Tuesday in a plane crash off the Florida coast  authorities said.
no

Verify if the sentiment of the following document towards the entity Pehr Lodhammar is Neutral . Pehr Lodhammar  a senior program manager for the United Nations Mine Action Service   told reporters that the agency and Iraq’s government will have to decide “what we do  and what we leave for now and maybe address later on.”

no