Task: Coherence Classification
Input (English): Sentence 1: I was building a chair. 
 Sentence 3: I accidentally drove a nail through the chair into my hand 
 Sentence 4:  I had to call 911 
 Sentence 5:  The paramedic called me an idiot but at least he saved my life 
 Given Sentence 2: I had to nail the seat to the legs.
Output (English): Yes