Patricia had a better trained dog than Emily because
OPTIONS:
- Patricia knew how to use clicker training.
- Emily knew how to use clicker training.
Patricia knew how to use clicker training.

Susie tried to use a knife to cut through paper, but it didn't work. The
OPTIONS:
- knife was too dull.
- paper was too dull.
knife was too dull.

It was easy to see the difference when the phone was compared to the typewriter. The
OPTIONS:
- typewriter had no WiFi.
- phone had no WiFi.
typewriter had no WiFi.