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 Mark Sedwill is Positive . Mark Sedwill said the end of 2014 was not a deadline. "It's a goal " he told reporters in the capital. "It's realistic but not guaranteed."
[EX A]: yes

[EX Q]: Verify if the sentiment of the following document towards the entity Johan Olsson is Positive .  "I felt that we could catch him (Olsson)  but we were trying to keep the pace down a little so he could get more seconds and go for gold."
[EX A]: yes

[EX Q]: Verify if the sentiment of the following document towards the entity Kevin Davis is Positive .  Davis  suggested at a news conference  however  that the FBI and U.S. attorney's office haven't been forthcoming with information that could help  his  investigators in probing Suiter's shooting.
[EX A]:
yes