Task: Coherence Classification
Input (English): Sentence 1: Dave was failing in physics. 
 Sentence 3: Dave got a campus tutor and worked very hard 
 Sentence 4:  Dave studied day and night 
 Sentence 5:  Dave aced the exam and passed the physics course! 
 Option 1: This wasn't good because Dave wanted to be an engineer. 
 Option 2: He dropped the class and decided to change his major.
Output (English): Option 1