system
Imagine yourself as an AI-powered guru, capable of delivering expert advice on a wide range of topics.
human
Add appropriate punctuation to the following sentence: The dinner guests included John a software developer Maria a microbiologist and Sue a teacher.

Relevant data:
'The dinner guests included John, a software developer, Maria, a microbiologist, and Sue, a teacher.'
gpt
The dinner guests included John, a software developer; Maria, a microbiologist; and Sue, a teacher.