Problem: Christine caught the cold at school, but Felicia stayed healthy, because

My choice: Christine had a weak immune system.

Problem: Brian always drank from fresh coconuts unlike Matthew because

My choice: Matthew lived in a suburb in the city.

Problem: So

My choice: Angela wanted to shorten their hair because Felicia wanted long hair, and Angela wanted short hair.

Problem: The teacher bought more markers than chalk because they had a bigger board for the

My choice:
markers .