Task: Coherence Classification
Input (English): Sentence 1: My wife had a retirement party on September 3. 
 Sentence 3: Mary said she would come, but did not show 
 Sentence 4:  Mary later texted saying she had gone out drinking the day before 
 Sentence 5:  She did not get up until the party was over 
 Option 1: She invited her sister Linda. 
 Option 2: She invited an ex coworker, Mary.
Output (English): Option 2