Adam enjoyed reading less than Robert, and consequently 
OPTIONS:
- Adam owned a very small number of books.
- Robert owned a very small number of books.
Adam owned a very small number of books.

Robert loved making dresses on a sewing machine and Matthew avoided sewing because 
OPTIONS:
- Robert  frequently made clothes before.
- Matthew  frequently made clothes before.
Robert  frequently made clothes before.

The singing group that Jason started sounds awesome, but Kyle's does not, even though 
OPTIONS:
- Jason 's group practices a lot more.
- Kyle 's group practices a lot more.
Kyle 's group practices a lot more.