Story needs to be completed:
The thief walked silently into the house and tripped over the rope after passing the brick because the 
OPTIONS:
- rope was invisible.
- brick was invisible.

My choice:
rope was invisible.
Problem: Continue the following story.

The dog of Samuel is sick, but Adam's is not because 
OPTIONS:
- Samuel let his dog eat chocolate.
- Adam let his dog eat chocolate.
Here's how I want to continue it: Samuel let his dog eat chocolate.
Problem: A put a ton of cream in the soup, but very little in the salad, so the 
OPTIONS:
- salad ended up being sparse.
- soup ended up being sparse.

My choice: salad ended up being sparse.
[Q]: How does the sentence end?

In geometry class Craig commented that Brett's nose is too big, resulting in 
OPTIONS:
- Craig giving him a shiner.
- Brett giving him a shiner.

[A]: Brett giving him a shiner.
QUES: Continue writing.

Christopher saved his money and didn't take risks but Nick like to spend all his and take many risks. 

OPTIONS:
- Christopher lived conservatively.
- Nick lived conservatively.
+++++++++
ANS: Christopher lived conservatively.
QUES: Continue writing.

William confessed all the bad news to Nelson after 

OPTIONS:
- William got back from the doctor with a diagnosis of cancer.
- Nelson got back from the doctor with a diagnosis of cancer.
+++++++++
ANS:
William got back from the doctor with a diagnosis of cancer.