Problem: How does the sentence end?

Mary has taken a karate class, but Rachel never has, so 
OPTIONS:
- Mary is the one who is worse at defending himself.
- Rachel is the one who is worse at defending himself.
Answer: Rachel is the one who is worse at defending himself.
sentence: The clothing Amy wears every day is cheaper than that of Elena because  OPTIONS:
- Amy is cheap.
- Elena is cheap.
complete: Amy is cheap.
Kayla but not Natalie was labeled an alcoholic because 
OPTIONS:
- Kayla liked to drink milk shakes.
- Natalie liked to drink milk shakes.
Natalie liked to drink milk shakes.
Input: Continue writing.

Rebecca is training Christine to dance the salsa as a result of 
OPTIONS:
- Rebecca being a dance teacher.
- Christine being a dance teacher.

Continued: Rebecca being a dance teacher.
Story needs to be completed:
Nick went to the gym on a schedule while Matthew went irregularly so 
OPTIONS:
- Nick was out of shape.
- Matthew was out of shape.

My choice:
Matthew was out of shape.
Problem: How does the sentence end?

Rebecca told Amy to run for cover because 
OPTIONS:
- Rebecca noticed the tower was about to collapse.
- Amy noticed the tower was about to collapse.
Answer:
Rebecca noticed the tower was about to collapse.