Problem: How does the sentence end?

My back hurt more than my stomach did because my breasts weighed down the 
OPTIONS:
- back .
- stomach .
Answer: back .
sentence: The pet centipedes Randy kept would go up to Jeffrey instead since  OPTIONS:
- Randy had no food on them.
- Jeffrey had no food on them.
complete: Randy had no food on them.
Sarah learned how to ride a skateboard recently and wanted Megan to learn also, so 
OPTIONS:
- Sarah began learning how to skateboard safely.
- Megan began learning how to skateboard safely.
Megan began learning how to skateboard safely.
Input: Continue writing.

Tracy used a shaving razor to get rid of the stubble under her underarms but the 
OPTIONS:
- stubble was too rough.
- razor was too rough.

Continued: stubble was too rough.
Story needs to be completed:
Jamie agreed to help clean her boyfriend’s kitchen floor and would carry mop but not the bucket because the 
OPTIONS:
- mop was heavy.
- bucket was heavy.

My choice:
bucket was heavy.
Problem: How does the sentence end?

Most of people's relationships fail compared to others' marriages because the 
OPTIONS:
- relationships are less permanent.
- marriages are less permanent.
Answer:
relationships are less permanent.