Problem: How does the sentence end?

Nick deferred the selection of colors for the decorations to Derrick , as 
Answer: Derrick was a fantastic stylist.

Problem: How does the sentence end?

Samuel was unable to cook anything unlike Joel, since 
Answer: Joel was skilled in the kitchen.

Problem: How does the sentence end?

Monica got the starring role but not Lindsey, because 
Answer: Monica performed well at the audition.

Problem: How does the sentence end?

Kyle used the soap to give Neil a bath after they got dirty, since 
Answer:
Kyle was a responsible parent.