I like working on the old operating systems over the new operating systems because the 
OPTIONS:
- new operating systems are less complicated.
- old operating systems are less complicated.
old operating systems are less complicated.

Benjamin taught Donald how to get better nutrition in their diet, after 
OPTIONS:
- Benjamin was hired to help out.
- Donald was hired to help out.
Benjamin was hired to help out.

Derrick brought a bunch of logs to the hill and began to build a house for Aaron because 
OPTIONS:
- Derrick asked him to.
- Aaron asked him to.
Aaron asked him to.