Problem: How does the sentence end?

Because Craig's frantic racket they caused was out of line compared to Steven, 
OPTIONS:
- Craig was worse for it.
- Steven was worse for it.
Answer: Steven was worse for it.
sentence: All administrative functions were handled by the office rather than the computer, as the  OPTIONS:
- office was untrustworthy to do it right.
- computer was untrustworthy to do it right.
complete: computer was untrustworthy to do it right.
They could not get the desk for my office up the stairwell because the 
OPTIONS:
- desk is too narrow.
- stairwell is too narrow.
stairwell is too narrow.
Input: Continue writing.

The snake easily passed through the pipe but was stuck while crawling through the hose. The 
OPTIONS:
- pipe is wide.
- hose is wide.

Continued: pipe is wide.
Story needs to be completed:
William heard Craig needed a caretaker for a baby, so 
OPTIONS:
- William volunteered to help with it.
- Craig volunteered to help with it.

My choice:
William volunteered to help with it.
Problem: How does the sentence end?

Tanya could calculate the market value on the house but Amy could not because 
OPTIONS:
- Tanya was a mathematician.
- Amy was a mathematician.
Answer:
Tanya was a mathematician.