The guitar is more pleasurable to listen to because we can hear it, unlike the piano. The
OPTIONS:
- guitar is quiter.
- piano is quiter.
piano is quiter.

Elena was a far better actor than Jennifer because
OPTIONS:
- Elena took a lot of acting classes growing up.
- Jennifer took a lot of acting classes growing up.
Elena took a lot of acting classes growing up.

Every night, Ian was able to sleep much shorter than Matthew.
OPTIONS:
- Ian always woke up relaxed.
- Matthew always woke up relaxed.
Matthew always woke up relaxed.