Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.
Q: Relationship: 'be imprison by', Argument/Subject 1: 'gandalf', Argument/Subject 2: 'saruman'
A: 
There is also the case where Saruman imprisons Gandalf , but inexplicably does not attempt to take the Ring of Fire from Gandalf , even tho Saruman coveted the Ring and begrudged the fact that Cirdan had given it to Gandalf .