Question: John went to sleep on his couch and was dreaming that he was fighting a giant whale in the ocean. When he woke up he was outside in the rain, wrestling an inflatable chair.  What was John doing?

Choices: 
- might awaken
- fantasy
- watching movie
- sleepwalking
- fear

The rationale to choose "sleepwalking" as the answer is that: 

formally known as somnambulism