Task: Story Composition
Input (English): Premise: Mary contracted a sexually transmitted disease from her girlfriend. 
 Initial Context: At first she didn't understand what had happened. 
 Original Ending: Her girlfriend swore she hadn't been cheating on her. When Mary confronted her girlfriend about the STD, she confessed. Mary broke up with her girlfriend for betraying her trust. 
 New ending: Her girlfriend swore she didn't know about it. When Mary confronted her girlfriend about the STD, she was surprised. Mary and her girlfriend got treatment for the STD. 
Output (English): She was furious and thought she must have known she had it.