Task: Coherence Classification
Input (English): Sentence 1: I was at the beach with friends. 
 Sentence 3: We began collecting seashells 
 Sentence 4:  The seashells were really colorful and unique 
 Sentence 5:  So we decided to sell them at five dollars each 
 Option 1: We were bored and didn't know what to do. 
 Option 2: We swam all day long.
Output (English): Option 1