Problem: Continue the following story.

James found that the tank was surprisingly easy to operate and not the vehicle because the 
OPTIONS:
- tank had complex controls.
- vehicle had complex controls.
Here's how I want to continue it: vehicle had complex controls.

Problem: Continue the following story.

Badminton was a lot easier for Josh than tennis because the 
OPTIONS:
- badminton court was smaller.
- tennis court was smaller.
Here's how I want to continue it: badminton court was smaller.

Problem: Continue the following story.

William told Brett that he had started taking these pills off of the TV to increase his mental stamina.  
OPTIONS:
- William was enthusiastic about them.
- Brett was enthusiastic about them.
Here's how I want to continue it:
William was enthusiastic about them.