Question: Sentence A: I call it a theory but I'm pretty sure of my facts facts that are known to no one but myself.

Sentence B: I am pretty sure of my facts, which are known to no one but myself, even though I call it a theory.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: I don't believe one of you has got an ounce of tact." The German rapped the table.

Sentence B: I don't believe that one you of is tactful. The German struck the table.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: For example, interest income on state and local government bonds, which are used primarily for infrastructure purposes, are exempt from federal taxes.

Sentence B: Interest income on state and local government bonds are not exempt from federal taxes.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: Vrenna and Thorn walked down from the path of the bluff.

Sentence B: Vrenna and Thorn walked down from the path of the bluff after battle.

If sentence A is true, how about sentence B?

Answer:
it is not possible to tell