Problem: How does the sentence end?

We were going to go swimming at the pool but went to the lake instead, because the 
OPTIONS:
- pool was empty of water.
- lake was empty of water.
Answer: pool was empty of water.
sentence: It took me longer to do the drawing of the house than the drawing of the tree because the  OPTIONS:
- tree was detailed.
- house was detailed.
complete: house was detailed.
Christopher always wanted to go learn how to sail a boat and asked Eric for lessons because 
OPTIONS:
- Christopher had never sailed before.
- Eric had never sailed before.
Christopher had never sailed before.
Input: Continue writing.

At the smoothie bar Victoria decided to buy Erin their first wheatgrass smoothie, because 
OPTIONS:
- Victoria thought they were delicious.
- Erin thought they were delicious.

Continued: Victoria thought they were delicious.
Story needs to be completed:
The playful kitten came bounding up to Craig but not Ian because 
OPTIONS:
- Craig had a cat toy to play with.
- Ian had a cat toy to play with.

My choice:
Craig had a cat toy to play with.
Problem: How does the sentence end?

When Derrick saw a coyote on his property, Christopher begged him not to kill it because 
OPTIONS:
- Derrick is a hunter.
- Christopher is a hunter.
Answer:
Derrick is a hunter.