So 
OPTIONS:
- Laura did not show for class because Laura had to deal with some problem, while Angela was fine.
- Angela did not show for class because Laura had to deal with some problem, while Angela was fine.
Laura did not show for class because Laura had to deal with some problem, while Angela was fine.

Leslie got their jeep stuck in the swamp and called William for help.  
OPTIONS:
- Leslie left quickly.
- William left quickly.
William left quickly.

The vacuum that I bought was a lot better than the simple broom, because the 
OPTIONS:
- vacuum was powerful.
- broom was powerful.
vacuum was powerful.