Task: Coherence Classification
Input (English): Sentence1: Bob moved from a small town to a large city. Sentence2: He was concerned he would always get lost. Sentence3: The first day he got lost trying to get home from work. Sentence4: Then Bob bought a navigation system to help him learn his way around. 
 Sentence5: Bob knew his way around and never used the navigation system.
Output (English): No