Please choose the correct solution to the question: How can you thwart people trying to "borrow" or steal your ink pens at work or home?

Solution1: Use a blue colored ink pen, but substitute a blue cartridge inside, that way it looks like you have a pen with red ink, usually people don't want to write or sign things in red so they'll pass it by.

Solution2: Use a red colored ink pen, but substitute a blue cartridge inside, that way it looks like you have a pen with red ink, usually people don't want to write or sign things in red so they'll pass it by.

Answer format: solution1/solution2
Answer: solution2