Task: Coherence Classification
Input (English): Sentence 1: Julian was at the grocery store when his grandma called. 
 Sentence 3: Somehow his phone went on speaker and everyone could hear her sing 
 Sentence 4:  Julian cringed as people began staring at him 
 Sentence 5:  Still, he loved his grandma so much that he didn't mind 
 Option 1: She wished him Merry Christmas. 
 Option 2: It was his birthday and she immediately began singing him a song.
Output (English): Option 2