Mary ignored the hurricane evacuation warning but Erin was wise and heeded it. 
OPTIONS:
- Mary was safe when the storm struck their home.
- Erin was safe when the storm struck their home.
Erin was safe when the storm struck their home.

Bill replaced his grass lawn with a rock one during the summer months, the 
OPTIONS:
- grass was old.
- rock was old.
grass was old.

John could not finish watching the movie within the time his mom gave him because the 
OPTIONS:
- movie is short.
- time is short.
time is short.