A. More structured techniques make people deeply relaxed.
B. Meditation is the only way leading to relaxation.
C. Progressive muscle exercise is against relaxation.
D. Debating is effective to find ways of relaxation.

A. The inventor decides who the expired patent goes to.
B. The inventor may strive for a longer valid time span.
C. The inventor will try hard to sell his products faster.
D. The inventor will hesitate when giving his data to the public.