During the concert the ukulele sounded worse than the guitar because the 
OPTIONS:
- ukulele was out of tune.
- guitar was out of tune.
ukulele was out of tune.

Emily had to unfollow a friend on facebook and Sarah didn't because 
OPTIONS:
- Emily thought the views were appropriate.
- Sarah thought the views were appropriate.
Sarah thought the views were appropriate.

Tanya looked thinner than Megan because 
OPTIONS:
- Tanya had lost more weight overall within the three month period.
- Megan had lost more weight overall within the three month period.
Tanya had lost more weight overall within the three month period.