Emily asked Laura if she knew the difference between climate and weather because 
OPTIONS:
- Emily was not sure.
- Laura was not sure.
Emily was not sure.

The new system is a lot better than the old directory because the 
OPTIONS:
- system is out of date.
- directory is out of date.
directory is out of date.

The clerk identified the watch right away instead of the jewelry since the 
OPTIONS:
- watch was popular at the time.
- jewelry was popular at the time.
watch was popular at the time.