Possible Clues:

• Is the jellyfish such a simple thing?
• Head above dark cloud, perhaps, that requires little thought
• It's easy to see robin near ground
• Aristocrat, one rejected by prince, far from a poser
• Resolution made with resolution
• Easy decision made by nervous one in bar, right?
• Easy question
• Tipsy loner in bar draining litre? It requires little thought
• Decision requiring little thought
• Easy decision from former Prince to abandon a current aristocrat at the start