Therefore, he is brave. Akira does not deserve the fair. Therefore, he is not brave. All good jobs offer benefits and a chance for advancement, but many good jobs are impossible to obtain. Some jobs don't offer any benefits.
Some benefits are possible to obtain.
Not all benefits are impossible to obtain. Some chances for advancement are impossible to obtain. Everyone who was at the ceremony came to the reception, except some of Arlo's friends. Some of Arlo's friends were well-dressed. Therefore, some of those who did not come to the reception were well-dressed.