Problem: How does the sentence end?

Stephen wanted to return an item with a receipt but could not. The
Answer: receipt was too old.

Problem: How does the sentence end?

The tablet worked fine with the program, but the computer could stand to improve its performance, because the
Answer: tablet used current software.

Problem: How does the sentence end?

Justin wants to have a birthday party but Derrick does not care, as
Answer: Derrick loves relaxing alone.

Problem: How does the sentence end?

Patricia is known to be less gracious than Lindsey because
Answer:
Patricia just isn't thankful for anything.