Task: Coherence Classification
Input (English): Sentence 1: Gary never made a bad grade. 
 Sentence 3: His teacher warned them they would have a pop quiz 
 Sentence 4:  When he got to class, he felt nervous 
 Sentence 5:  The teacher gave a quiz and Gary failed 
 Option 1: One day he forgot to read his homework. 
 Option 2: One day he forgot they had an exam.
Output (English): Option 1