Problem: How does the sentence end?

Lorelei took the carnation out of the jar and put it into a vase, because the 
OPTIONS:
- jar was too big for one flower.
- vase was too big for one flower.
Answer: jar was too big for one flower.

Problem: How does the sentence end?

Justin felt a lot of stress while taking care of Brett, because 
OPTIONS:
- Justin really cared about their friend's health.
- Brett really cared about their friend's health.
Answer: Justin really cared about their friend's health.

Problem: How does the sentence end?

She wanted to go fishing but her rod was broken but had gotten a lure as a gift so the 
OPTIONS:
- rod was old.
- lure was old.
Answer: rod was old.

Problem: How does the sentence end?

Victoria was better at following a budget than Katrina for the reason that 
OPTIONS:
- Victoria tended to spend money lavishly.
- Katrina tended to spend money lavishly.
Answer:
Katrina tended to spend money lavishly.