Please choose the correct answer to the question: Jan borrowed Aubrey's pen to write her signature on the paperwork then threw it back to Aubrey. Why did Jan do this?

Answer1: give Aubrey the pen to sign their part of the paperwork Answer2: not give back Aubrey their pen Answer3: not allow Aubrey to sign their part of the paperwork

Answer format: answer1/answer2/answer3
Answer: answer1