sentence: The teacher preferred sitting in a chair rather than a stool because the  OPTIONS:
- chair was comfortable.
- stool was comfortable.
complete: chair was comfortable.

sentence: The man was going to put his boat in the lake but the  OPTIONS:
- lake was too large.
- boat was too large.
complete: boat was too large.

sentence: The mother said William was easier to potty train than Ryan because  OPTIONS:
- William was more mature.
- Ryan was more mature.
complete:
William was more mature.