Problem: Zack had to fix the broken machine and replaced the gears but left the pins because the

My choice: pins were fine.

Problem: Aaron eats a lot of potatoes in their diet, whereas Joseph prefers steak, so

My choice: Aaron has a carb heavy diet.

Problem: Amy learned to play the mandolin from Elena due to

My choice: Elena being a music teacher.

Problem: Alice bought an album in a CD and record form. She liked the

My choice:
record better because it was historical.