Problem: How does the sentence end?

Dennis's breast has a lump in it, so they schedule an appointment with Ian because 
Answer: Ian is an expert.

Problem: How does the sentence end?

Jessica is a Catholic and Lindsey is an Atheist, so 
Answer: Jessica goes to church on Sunday mornings.

Problem: How does the sentence end?

She prefers to cook with a pan with plastic handle instead of metal handle, because the 
Answer: plastic handle is less heat-conducting.

Problem: How does the sentence end?

He liked to drink wine rather than liquor, because the 
Answer:
liquor left a bad taste in his mouth.