Question:
Vrenna managed to slip into the attack of the black-garbed killer who attacked her.

Does it follow that "Vrenna joined the fight against the man."?
Answer:
yes

Question:
well it does

Does it follow that "Well of course it does not."?
Answer:
no

Question:
Charles Bombardier noted that the rate of spontaneous remission could minimize the differences between experimental and control groups.

Does it follow that "Experimental and control groups are almost exactly the same."?
Answer:
no

Question:
If the wage premium is accurately calculated by Professor Wachter, it would be difficult to defend the U.S. postal monopoly on purely economic grounds.

Does it follow that "The postal service wage premium can be defended."?
Answer:
it is not possible to tell