Problem: How does the sentence end?

Ian had always really loved to party but Hunter did not because 
Answer: Ian was very extroverted.

Problem: How does the sentence end?

Eating zucchini bread was a treat for Aaron but not Ian because 
Answer: Aaron ate it very rarely.

Problem: How does the sentence end?

People wear sunglasses in the summer but not in the winter because the 
Answer: summer is very hot.

Problem: How does the sentence end?

Lawrence needed an air purifier in their home but not Kenneth because 
Answer:
Kenneth lived in a town with clean air.