Task: Coherence Classification
Input (English): Sentence 1: Tim loved pizza. 
 Sentence 3: His parents took him to chuck e cheese 
 Sentence 4:  They invited Tim's friends 
 Sentence 5:  Tim had a great time 
 Option 1: He had a birthday coming up so they bought him a frozen pizza. 
 Option 2: He had a birthday coming up.
Output (English): Option 2