Task: Coherence Classification
Input (English): Sentence 1: Some of Dan's cobblestones had grass growing between them. 
 Sentence 3: Dan bought some weed killer and poured it all over the grass 
 Sentence 4:  After some weeks it finally started to turn brown and die 
 Sentence 5:  Dan's cobblestone walkway now is grass free 
 Given Sentence 2: He waited for their answers.
Output (English): No