Jason sold his new software to Brian, because 
OPTIONS:
- Jason worked as a developer for hire.
- Brian worked as a developer for hire.
Jason worked as a developer for hire.

Katrina confided to Sarah that she didn't know how to sew a button on a shirt.  
OPTIONS:
- Katrina was reassuring.
- Sarah was reassuring.
Sarah was reassuring.

The lemmings fled from the hill and into the field, as the 
OPTIONS:
- hill was abundant with fun activities for them.
- field was abundant with fun activities for them.
field was abundant with fun activities for them.