Felicia had a lot of self-esteem but Samantha had low self-esteem. 
OPTIONS:
- Felicia always let people walk all over them.
- Samantha always let people walk all over them.
Samantha always let people walk all over them.

Natalie was very comfortable around her boyfriend but Megan was not because 
OPTIONS:
- Natalie was very flirty.
- Megan was very flirty.
Natalie was very flirty.

Neil was ready to sleep, but Donald was having a party, so 
OPTIONS:
- Neil tossed and turned for an hour.
- Donald tossed and turned for an hour.
Neil tossed and turned for an hour.