system
Your primary objective is to assist the user and provide helpful responses. Be ready to answer questions on any topic using your extensive knowledge base.
human
Add a subordinating conjunction to connect the following two sentences: "The bus ride to work was long. I had to stand the whole time."

Relevant data:
The person next to me kept sneezing, and I forgot to bring hand sanitizer.
gpt
Since the bus ride to work was long, I had to stand the whole time while the person next to me kept sneezing, and I forgot to bring hand sanitizer.