With Greece due to pay the European Central Bank 3.5 billion euros ($3.9 billion) next Monday, ministers are looking at whether they could recycle interest payments already made by Greece to euro-zone central banks, tap a fund managed by all 28 European Union governments, give Greece more time to pay, or organize bilateral loans from individual EU governments.
What is the relationship between 'EU' and 'European Union' in the context of the input sentence.
Options: operator, subsidiary, chief executive officer, manufacturer