Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

[Q]: Relationship: 'return to', Argument/Subject 1: 'job', Argument/Subject 2: 'apple'
[A]: Under which circumstances did Steve Jobs return to Apple to be the iCEO ?


[Q]: Relationship: 'call', Argument/Subject 1: 'street', Argument/Subject 2: 'straight'
[A]: Thank you for a Street called Straight .


[Q]: Relationship: 'be home to', Argument/Subject 1: 'frankfurt', Argument/Subject 2: 'european central bank'
[A]:
Frankfurt is the financial centre of Europe , being home to the European Central Bank and the Frankfurt Stock Exchange .