Task: Coherence Classification
Input (English): Sentence 1: Sara decided to throw a surprise birthday party for Amanda. 
 Sentence 3: The invitations were mailed 
 Sentence 4:  Lots of people said that they would come to the party 
 Sentence 5:  On the night of the party everyone surprised Amanda 
 Given Sentence 2: She went to the store for invitations.
Output (English): Yes