Victoria couldn't wait to learn what Laura had to teach, so 
OPTIONS:
- Victoria happily gave notes on the lesson.
- Laura happily gave notes on the lesson.
Laura happily gave notes on the lesson.

Because Samuel bought a new computer while Ian bought a used one, the computer of 
OPTIONS:
- Samuel was slower and less up to date.
- Ian was slower and less up to date.
Ian was slower and less up to date.

The rumbling of the ocean made it hard to hear the music, as the 
OPTIONS:
- ocean was diminutive in volume.
- music was diminutive in volume.
music was diminutive in volume.