Possible Clues:

• Able to be done, practical
• Possible outcome of base life
• Sculptor's last to abandon bas-relief, getting turned on
• Sounds like it¿s an order requesting rate from Sybil that¿s practical
• Fable is concocted about East – it's possible
• Within reach, as a goal
• Not completely crazy, as a plan
• Within the bounds of possibilities to American consumed by unreliable beliefs
• Possible as belief is shaken
• Possible to achieve if seal be broken