Problem: Continue the following story.

Mark replaced the chair in the living room with a sofa, because the 
Here's how I want to continue it: sofa was more comfortable.

Problem: Continue the following story.

Joseph was afraid of Pitbulls but Nick wasn't  because 
Here's how I want to continue it: Nick knew how good the breed really is.

Problem: Continue the following story.

Felicia helped the old lady who felt sick while Rachel told her to get a taxi. 
Here's how I want to continue it:
Rachel was rude.