TASK DEFINITION: Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.
PROBLEM: Relationship: 'return to', Argument/Subject 1: 'franklin', Argument/Subject 2: 'philadelphium'

SOLUTION: Franklin returned to Philadelphia in 1775 .

PROBLEM: Relationship: 'be city in', Argument/Subject 1: 'trier', Argument/Subject 2: 'germany'

SOLUTION: Trier is the oldest city of Germany bearing historical background and only 30 kilometres from Bitburg .

PROBLEM: Relationship: 'be show in', Argument/Subject 1: 'datum', Argument/Subject 2: 'fig'

SOLUTION:
C. Data are shown in Fig . 4 .