instruction:
Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.
question:
Relationship: 'invade', Argument/Subject 1: 'unite state', Argument/Subject 2: 'grenada'
answer:
After the United States invaded Grenada in 1983 , the communist junta of Hudson Austin and Bernard Gourd was replaced by a government that allowed a free press and opposition parties to flourish .


question:
Relationship: 'be trademark of', Argument/Subject 1: 'photoshop', Argument/Subject 2: 'adobe'
answer:
Photoshop is a registered trademark of Adobe Systems , Inc.


question:
Relationship: 'be senator from', Argument/Subject 1: 'mccain', Argument/Subject 2: 'arizona'
answer:

John McCain has been a Senator from Arizona since 1987 .