Problem: How does the sentence end?

The account of Lawrence had a negative balance as opposed to Justin, due to the fact that 
OPTIONS:
- Lawrence was poor.
- Justin was poor.
Answer: Lawrence was poor.

Problem: How does the sentence end?

There was a lot of doubt in the marriage of Elena and not Natalie, because the wife of 
OPTIONS:
- Elena was unfaithful.
- Natalie was unfaithful.
Answer: Elena was unfaithful.

Problem: How does the sentence end?

Ryan was having kidney infection problems but Ian was fine. 
OPTIONS:
- Ryan needed to drink a lot of cranberry juice.
- Ian needed to drink a lot of cranberry juice.
Answer: Ryan needed to drink a lot of cranberry juice.

Problem: How does the sentence end?

Maria had a lot less friends than Tanya because 
OPTIONS:
- Maria had always been a shy person.
- Tanya had always been a shy person.
Answer:
Maria had always been a shy person.