Task: Coherence Classification
Input (English): Sentence 1: Dan wanted to learn to speak German. 
 Sentence 3: Dan studied every single day 
 Sentence 4:  Dan spent a summer in Germany, immersed in the language 
 Sentence 5:  Now Dan is fluent in German 
 Option 1: Dan bought books on the German language. 
 Option 2: Dan moved to Germany first besides getting books.
Output (English): Option 1