Problem: How does the sentence end?

The man couldn't decide on a smoothie or a milkshake. He decided on a 
OPTIONS:
- smoothie because it is creamier.
- milkshake because it is creamier.
Answer: milkshake because it is creamier.
sentence: It was obvious that they were different, Tanya was very interested in mood rings while Natalie was more interested in practical things because  OPTIONS:
- Tanya was a creative person.
- Natalie was a creative person.
complete: Tanya was a creative person.
Aaron was always skipping leg day at the gym but Derrick never missed it. 
OPTIONS:
- Aaron had very skinny legs.
- Derrick had very skinny legs.
Aaron had very skinny legs.
Input: Continue writing.

Donald asked Steven to cook the hamburgers and hotdogs because 
OPTIONS:
- Donald was inexperienced with the grill.
- Steven was inexperienced with the grill.

Continued: Donald was inexperienced with the grill.
Story needs to be completed:
Derrick was a qualified teacher but Matthew was not as 
OPTIONS:
- Derrick was dedicated to their profession.
- Matthew was dedicated to their profession.

My choice:
Derrick was dedicated to their profession.
Problem: How does the sentence end?

Marie had to get the wood structure through the doorway, but was unable to because the 
OPTIONS:
- doorway was too thin.
- structure was too thin.
Answer:
doorway was too thin.