For each of the following, choose whether a comma (,) or semicolon (;) is correct.

He told me to wait but I didn’t.

He couldn’t afford the big house however, he was able to buy the smaller one.

The guests were Tom, an architect Rachel, a doctor and Bill, a dentist.

He wants to make a lot of money in fact, he wants to be a millionaire

The guests were German French and Italian.