QUES: Continue writing.

I remember when CDs replaced tapes and how different they looked, but the 

OPTIONS:
- CDs were much too outdated.
- tapes were much too outdated.
+++++++++
ANS: tapes were much too outdated.
Problem: How does the sentence end?

Mary had more oily hair than Victoria although the scalp of 
OPTIONS:
- Mary was much drier.
- Victoria was much drier.
Answer: Mary was much drier.
sentence: Natalie required Rachel to finish every last piece of food on their plate, because  OPTIONS:
- Natalie was their child.
- Rachel was their child.
complete: Rachel was their child.
I couldn't put the precious stone on the old shelf in my bedroom because the 
OPTIONS:
- shelf is too heavy.
- stone is too heavy.
stone is too heavy.
Input: Continue writing.

John's emotions were a lot worse than Sam's feelings because the 
OPTIONS:
- emotions of Sam were uncontrollable.
- feelings of Sam were uncontrollable.

Continued: feelings of Sam were uncontrollable.
[Q]: How does the sentence end?

Mary left her laptop at home and just took the calculator to accounting class, because the 
OPTIONS:
- laptop was required.
- calculator was required.

[A]:
calculator was required.