Task: Coherence Classification
Input (English): Sentence 1: Sam went camping with his friends. 
 Sentence 3: Sam said that he will make them a fire 
 Sentence 4:  The friends gathered sticks for him 
 Sentence 5:  Sam stacked the sticks and lit them on fire 
 Option 1: It was a warm night they don't even need a bonfire. 
 Option 2: At night they became quite cold.
Output (English): Option 2