Task: Coherence Classification
Input (English): Sentence 1: Brady buried a piece of coal in hopes it would become a diamond. 
 Sentence 3: As he got older, the piece of coal was forgotten 
 Sentence 4:  Brady was grown up and remembered the coal buried 
 Sentence 5:  He never dug the piece of coal up 
 Option 1: Brady dug up that piece of coal. 
 Option 2: Brady often thought of that piece of coal.
Output (English): Option 2