Question:
Carrie was showing Lindsey all the details of the new project, because

Answer:
Continue the sentence -- Lindsey was learning from her teacher.

Question:
Neil had to go to night classes unlike Samuel, because

Answer:
Continue the sentence -- Neil did horrible during the semester.

Question:
He bought a dozen roses instead of tulips at the boutique, because the

Answer:
Continue the sentence -- tulips were too expensive.

Question:
Justin was very good at playing music on the guitar unlike Craig because

Answer:
Continue the sentence -- Craig was very sporty.