ᴡʜᴀᴛ ɪs ᴛʜᴇ ᴘᴏʀᴘᴏsᴇ ᴏғ ᴛʜᴇsᴀᴍᴘʟᴇ ᴀʀɢᴜᴍᴇɴᴛᴀᴛɪᴠᴇ ᴛᴇxᴛ​