Does the sentence "The current chairman is Sir Dave Richards, who was appointed in April 1999, and the chief executive is Richard Scudamore, appointed in November 1999." provide a valid answer to the question "Why did John Quinton and Peter Leaver resign as chairman and chief excutive?"

A: no

Does the sentence "The register, or archived copies of the letters, of Pope Gregory the Great (pope 590604) survived, and of those more than 850 letters, the vast majority were concerned with affairs in Italy or Constantinople." provide a valid answer to the question "About how many of Gregory's letters were concerned with Constantinople or Italy?"

A: yes

Does the sentence "Like other digital music players, iPods can serve as external data storage devices." provide a valid answer to the question "What is the largest data capacity for an iPod product?"

A: no

Does the sentence "As deists, they were influenced by ideas of John Toland (16701722) and Matthew Tindal (16561733)." provide a valid answer to the question "As diests, Americans were influenced by the ideas of which two Enlightenment followers?"

A:
yes