Task: Coherence Classification
Input (English): Sentence 1: Mary and Rob wanted to get some food. 
 Sentence 3: They figured they'd go to their favorite restaurant 
 Sentence 4:  Unfortunately it wasn't open during lunch 
 Sentence 5:  They had to walk around for an hour before eating 
 Option 1: They decided to go downtown. 
 Option 2: They decided to stay at their apartment.
Output (English): Option 1