Problem: The swimmer chose to swim in the pool rather than the lake because the

My choice: pool was warmer.

Problem: Melinda replaced her old spray deodorant with a new gel deodorant because the

My choice: spray was old.

Problem: Derrick was much heavier than Justin, so

My choice: Justin did not need to sit on more substantial furniture.

Problem: Aaron was learning to bake from Joseph since

My choice:
Joseph was an expert at this art.