Task: Coherence Classification
Input (English): Sentence 1: Reen has a neighbor who lives alone. 
 Sentence 3: But the neighbor never smiles back 
 Sentence 4:  One day Rene worked up the nerve to ask her why she doesn't smile 
 Sentence 5:  The neighbor just gave her a weird look and walked away 
 Given Sentence 2: So every time she sees the neighbor she smiles at her.
Output (English): Yes