The tank was a better choice for the hamster than the cage. The 
OPTIONS:
- cage had no gaps and it couldn't escape.
- tank had no gaps and it couldn't escape.
tank had no gaps and it couldn't escape.

Ian taught Nelson how to land a ferocious punch , since 
OPTIONS:
- Ian could fight like a monster.
- Nelson could fight like a monster.
Ian could fight like a monster.

Neil was able to buy the appliances cheaper than Aaron because 
OPTIONS:
- Neil had a coupon.
- Aaron had a coupon.
Neil had a coupon.