Problem: How does the sentence end?

Matthew asked Justin the proper way for storing ginger since
Answer: Justin knew how do do it correctly.

Problem: How does the sentence end?

Brian as a joke bought a wool sweater for Matthew despite his skin rash because
Answer: Matthew is itchy.

Problem: How does the sentence end?

Tim liked to practice karate instead of football. He thought the
Answer: football was less fun.

Problem: How does the sentence end?

Cooking the potatoes in the stew took less time than the broccoli because the
Answer:
potatoes was ripe.