QUES: Continue writing.

Carrie is being paid to build a round pen for Betty's pigs, so 
+++++++++
ANS: Betty is the farmer.


QUES: Continue writing.

His signature is worth less money than my friends autograph, because the 
+++++++++
ANS: autograph is from a famous person.


QUES: Continue writing.

Aaron showed Justin how to make a multiple layered cake for the birthday because 
+++++++++
ANS: Aaron was a professional baker.


QUES: Continue writing.

Erin has recently bought black suede shoes and asks for Patricia's advice on cleaning them, because 
+++++++++
ANS:
Patricia  knows how to clean it.