Problem: How does the sentence end?

Jennifer showed Victoria how to make a patchwork quilt since 
Answer: Jennifer knew they had never made one before.

Problem: How does the sentence end?

Joseph served Kyle a lot of meat at the dinner last night because 
Answer: Joseph was cooking.

Problem: How does the sentence end?

The child was screaming after the baby bottle and toy fell. Since the child was hungry, the 
Answer: baby bottle stopped his crying.

Problem: How does the sentence end?

Neil owned a dog while Christopher owned a snake, and 
Answer:
Christopher fed their pet mice.