Task: Coherence Classification
Input (English): Sentence1: Ana was swimming in the lake. Sentence2: She swam across the whole lake and to the raft on the other side. Sentence3: She prepared to swim back, but then she stopped. Sentence4: She saw a huge, scary fish swimming in the water! 
 Sentence5: She screamed for her friend, unsure what else to do.
Output (English): Yes