Task: Coherence Classification
Input (English): Sentence 1: Bill was sick for three days in a row. 
 Sentence 3: He missed an important exam 
 Sentence 4:  When he returned to school the instructor allowed him to catch up 
 Sentence 5:  Bill was very grateful to the instructor 
 Option 1: He wasn't able to attend classes. 
 Option 2: He attended all of his classes.
Output (English): Option 1