Problem: How does the sentence end?

Aaron showed Justin how to make a multiple layered cake for the birthday because 
Answer: Justin was an amateur baker.

Problem: How does the sentence end?

The observations Logan had shown that Joseph is behind the game due to 
Answer: Joseph being inconsistent.

Problem: How does the sentence end?

She tried to poke a hole in the plastic covering by using a knife, but ended up ripping the whole thing because the 
Answer: knife is too sharp.

Problem: How does the sentence end?

Patricia is known to be less gracious than Lindsey because 
Answer:
Lindsey is just thankful for everything.