PLEASE HELP ME! and thank you <3 What is the best way to combine the following simple sentences into a complex
sentence using the subordinate conjunction "since"?

Jamal drove carefully on his way to work. The roads were slippery from the ice storm.

Since Jamal had to go to work, he drove carefully and there was an ice storm.

The roads were slippery from the ice storm since Jamal had to go to work.

Since Jamal had to go to work, the roads were slippery from the ice storm.

Since the roads were slippery from the ice storm, Jamal drove carefully on his way to work.

Since the roads were slippery from the ice storm Jamal drove carefully on his way to work.