system
Text-based inquiries are the primary focus. Be ready to respond with expertise in any subject.
human
Add a transitional phrase to connect two sentences: "I had a headache. I decided to take a nap."

Relevant data:
'After feeling a persistent headache for hours, I knew I had to do something to find relief. I decided to take a nap to see if it would help.'
gpt
After feeling a persistent headache for hours, I knew I had to do something to find relief. Therefore, I decided to take a nap to see if it would help.