Task: Coherence Classification
Input (English): Sentence 1: Ian had spent all of last day working on a project. 
 Sentence 3: The process took all day 
 Sentence 4:  But he got it done before night fell 
 Sentence 5:  Now his energy bill has dropped significantly 
 Option 1: He was trying to install his own solar panels. 
 Option 2: He was trying to paint the living room.
Output (English): Option 1