Problem: Felicia's textbooks included information about amino acids, while Samantha's textbooks included information about building bridges, because

My choice: Samantha was a civil engineering major.

Problem: Drinking coffee was a favorite past time in the village but not in the city, as the

My choice: city had a weak coffee shop culture.

Problem: The operating nurse took the instruments off of the table and put them on the tray until the

My choice: tray was full.

Problem: Copper was one of the more expensive metals. More so than bronze, since the

My choice:
bronze was common.