Question:
(Both radios are sold through mail-order, the Bose from [800] 681-BOSE, the Cambridge SoundWorks from [800] FOR-HIFI.)

Does it follow that "Both radios are sold through mail-order."?
Answer:
yes

Question:
Barking, however, undermines the pretense of a rational debate.

Does it follow that "In a rational debate setting, it is best to conduct oneself in keeping with decorum."?
Answer:
yes

Question:
Note the pigeon loft from which, 400 years before Reuters and Associated Press, Jacques C?"ur organized a private news service using carrier pigeons.

Does it follow that "To this day, the pigeon loft is abandoned."?
Answer:
it is not possible to tell

Question:
thank you it's nice to have someone understand that

Does it follow that "I have had a hard time explaining this to other people."?
Answer:
it is not possible to tell