Task: Text Completion
Input (English): Sentence1: Laura has always loves swimming, but she has never tried backstroke. Sentence2: She usually avoids backstroke because doesn't want water in her ears. Sentence3: One day she decides to take backstroke lessons from an expert swimmer. Sentence4: She finds that she loves backstroke and doesn't get water in her ears. 
 (A) She works hard on perfecting her routine on the parallel bars. (B) From then on, she swims the backstroke constantly.
Output (English): B