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 Tim Clark is Neutral .  Clark  says international demand for air travel and aircraft have skyrocketed since the first of more than 120 Open Skies agreements were signed in 1992.

A: yes
****
Q: Verify if the sentiment of the following document towards the entity Porter is Neutral .  The probe  comes as the White House  more than a week into the scandal  has continued to offer shifting explanations of the circumstances of  Porter 's tenure as a top aide to President Donald Trump.

A: yes
****
Q: Verify if the sentiment of the following document towards the entity Robert Mueller is Positive . "It's entirely possible that  Mueller  may go that route on the theory that  as an open question  it should be for the courts to decide " the attorney said. "Even if the indictment is dismissed  it puts maximum pressure on Congress to treat this with the independence and intellectual honesty that it will never  ever get."

A:
yes
****