sentence: John replaced his wood ladder with a metal one for his birthday, the  OPTIONS:
- metal was unstable.
- wood was unstable.
complete: wood was unstable.

sentence: Natalie is tidy and clean, Erin is not therefore  OPTIONS:
- Natalie probably doesn't make certain her dolls are clean.
- Erin probably doesn't make certain her dolls are clean.
complete: Erin probably doesn't make certain her dolls are clean.

sentence: Jason was religious and Robert wasn't, so  OPTIONS:
- Jason spent every Sunday hanging out at church.
- Robert spent every Sunday hanging out at church.
complete:
Jason spent every Sunday hanging out at church.