Problem: How does the sentence end?

After learning that he needed surgery for colon polyps, Ian asked Nelson to come to the hospital because 
OPTIONS:
- Ian was scared.
- Nelson was scared.
Answer: Ian was scared.
sentence: He went to the study area of the library and sat at a cubicle with his book because the  OPTIONS:
- cubicle helped block distractions.
- book helped block distractions.
complete: cubicle helped block distractions.
Cynthia reversed her opinion of Megan after they were on the same sports team, as 
OPTIONS:
- Cynthia saw a very different person then.
- Megan saw a very different person then.
Cynthia saw a very different person then.
Input: Continue writing.

When Beth went to have a lump examined, the doctor told her it could be a small harmless bump or a large tumor, usually the 
OPTIONS:
- tumor would be large.
- bump would be large.

Continued: tumor would be large.
Story needs to be completed:
The scientists created two solutions. They kept the purple one away and brought the blue one because the 
OPTIONS:
- purple was explosive.
- blue was explosive.

My choice:
purple was explosive.
Problem: How does the sentence end?

Jeffrey takes his trousers to Ryan for tailoring, because 
OPTIONS:
- Jeffrey knows how to hem and sew.
- Ryan knows how to hem and sew.
Answer:
Ryan knows how to hem and sew.