Donald's least favorite chore was cleaning the toilet, so Ian always did it. 
OPTIONS:
- Donald was glad to not have to do it.
- Ian was glad to not have to do it.
Donald was glad to not have to do it.

The lawn of Amy looks much greener than Lindsey's because 
OPTIONS:
- Amy uses a much better fertilizer.
- Lindsey uses a much better fertilizer.
Amy uses a much better fertilizer.

Skyrim was the favorite game of Steven but Ian liked to play Frogger better. 
OPTIONS:
- Steven had the top score on Frogger.
- Ian had the top score on Frogger.
Ian had the top score on Frogger.