"Wow. I wouldn't know how to reply cause I obviously was not the one who gave you the note in the first place but uh it's uh a letter alright. Though if someone wants to stay anonymous maybe there's a reason for them not wanting to show their face."
"Black roses symbolize death if there is no context and unless they mentioned relationships then why would you assume it has to do with love? Sure there are a lot of bad people but how would you know if someone is bad if you've never talked to them? Also black roses are not a romantic gesture in fact they are often used to break up with people."