sentence: I was listening to some music while swimming with my phone and headphone but the headphone later stopped working. The OPTIONS:
- phone is waterproof.
- headphone is waterproof.
complete: phone is waterproof.

sentence: My first flight arrives at 04:00 and my second flight is at 04:20, so there wasn't much time. Fortunately, the OPTIONS:
- first flight was early, so it worked out.
- second flight was early, so it worked out.
complete: first flight was early, so it worked out.

sentence: Patricia made a peanut butter and honey sandwich for her daughter Emily's lunch. OPTIONS:
- Patricia sang happily to herself as she made the sandwich.
- Emily sang happily to herself as she made the sandwich.
complete:
Patricia sang happily to herself as she made the sandwich.