Premise: (The magazine revised its methodology to reward high spending on instruction.)

Hypothesis: The magazine changed its methodology to reward some readers.
Answer: it is not possible to tell

Premise: From the safety of a TV studio, Donaldson's ready to have (someone else) pay any price, face any foe.

Hypothesis: Donaldson is acting kind of cowardly by letting other people take the heat.
Answer: yes

Premise: He also had the half-obsequious, half-insulting manner Dave had found most people expected from their barbers.

Hypothesis: The barber criticized the shape of Dave's head while telling him how great his new haircut would look.
Answer: it is not possible to tell

Premise: Look out for the remains of a marble-covered Byzantine road (fourth- to century 14th-century) that once connected Lefkes with the nearby village of Karampoli down in the valley.

Hypothesis: There used to be a road connecting Lefkes with Karampoli.
Answer: yes