Task: Coherence Classification
Input (English): Sentence 1: Sarah was making a birthday cake for her husband. 
 Sentence 3: When the cake was ready, she put the balloon on it 
 Sentence 4:  Then, she began lighting candles 
 Sentence 5:  Suddenly, the heat from the candles made the balloon melt 
 Given Sentence 2: She had bought him a little balloon too.
Output (English): Yes