Task: Coherence Classification
Input (English): Sentence 1: One day, scientists discovered a baby gorilla. 
 Sentence 3: The scientists adopted this gorilla 
 Sentence 4:  The scientists taught the gorilla sign language 
 Sentence 5:  The gorilla learned to sign and lives in a zoo now 
 Given Sentence 2: It was an orphan and all alone.
Output (English): Yes