Problem: Scarlett used pine wood instead of oak to build her birdhouse, because the 
OPTIONS:
- pine was cheaper.
- oak was cheaper.

My choice: pine was cheaper.
[Q]: How does the sentence end?

Betty's boyfriend is uglier than Rachel's happens to be, so 
OPTIONS:
- Betty is more likely to be unattractive.
- Rachel is more likely to be unattractive.

[A]: Betty is more likely to be unattractive.
QUES: Continue writing.

Slime permeated the basement but was non-existent in the mezzanine, as the 

OPTIONS:
- basement was shielded from it.
- mezzanine was shielded from it.
+++++++++
ANS: mezzanine was shielded from it.
Problem: How does the sentence end?

The sharp photo frame was replaced with a dull frame, the 
OPTIONS:
- sharp frame was much safer.
- dull frame was much safer.
Answer: dull frame was much safer.
sentence: Rebecca managed to stop their car before crashing but Jessica did not as  OPTIONS:
- Rebecca was going fast.
- Jessica was going fast.
complete: Jessica was going fast.
Input: Continue writing.

People knew Benjamin was scared of blood but not Nelson because 
OPTIONS:
- Benjamin fainted while looking at it.
- Nelson fainted while looking at it.

Continued:
Benjamin fainted while looking at it.