Input: Continue writing.

Carrie took tai chi lessons from Rebecca, because 
OPTIONS:
- Carrie was eager to teach to do it.
- Rebecca was eager to teach to do it.

Continued: Rebecca was eager to teach to do it.


Input: Continue writing.

Justin started guitar lessons yesterday, whereas Donald had been playing for ten years, so 
OPTIONS:
- Justin was very clumsy in their playing.
- Donald was very clumsy in their playing.

Continued: Justin was very clumsy in their playing.


Input: Continue writing.

John wanted to exchange the tea with some water because it is a hot day already and the 
OPTIONS:
- tea is hot.
- water is hot.

Continued: tea is hot.


Input: Continue writing.

Christopher but not William would make a good babysitter because 
OPTIONS:
- Christopher did not know how to handle small children.
- William did not know how to handle small children.

Continued:
William did not know how to handle small children.