Does the sentence "For legal reasons, af2 league officials and owners agreed to form a new legal entity, Arena Football 1 (AF1), with former AFL teams the Arizona Rattlers and Orlando Predators joining the former af2." provide a valid answer to the question "Along with the Orlando Predators, what former Arena Football League team joined af2?"

A: yes

Does the sentence "The staff, under Dr. Train's leadership, incorporated dozens of new principles and ideas into the landmark legislation; crafting a document that completely changed the direction of environmental conservation in the United States." provide a valid answer to the question "The team leader was the first appointed head of what organization?"

A: no

Does the sentence "O.W. Wilson, a student of Vollmer, helped reduce corruption and introduce professionalism in Wichita, Kansas, and later in the Chicago Police Department." provide a valid answer to the question "Where did Wilson reduce police corruption?"

A: yes

Does the sentence "Veins, unlike arteries, are thin and rigid as they do not need to withstand extreme pressure." provide a valid answer to the question "Why are birds' arteries composed of thick elastic muscles?"

A:
no