Question: Sentence A: advertising mail sent by non-households to other households) is not known and, thus, it has not been added to advertising mail.

Sentence B: The advertising mail is unknown and has not been added to the rest of the advertising mail.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: He felt a pang of pity, and when he forgot he didn't have anything to sit on, he felt down and broke his arm.

Sentence B: His leg broke while he was tying his shoes.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: Since that time, the icon has been held responsible for many feats of healing, giving Tinos the epithet Lourdes of Greece.

Sentence B: The healing provided at Tinos is deeply appreciated.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: Edward Murphy, but Commander (later Admiral ) Joseph M. Murph Murphy.

Sentence B: The title he'd hoped for, Admiral, was never bestowed upon Joseph Murphy and so he remained a Commander throughout his entire service.

If sentence A is true, how about sentence B?

Answer:
no