Task: Coherence Classification
Input (English): Sentence 1: Sierra was shopping for food. 
 Sentence 3: She hadn't been planning on getting one 
 Sentence 4:  Randomly, she decided to buy it 
 Sentence 5:  She paid and brought it home 
 Option 1: She didnt have a lot of money and only bought the essentials. 
 Option 2: She noticed a blender on sale.
Output (English): Option 2