The Hunger Games Posts Riddle on Redesigned Website

A mysterious new riddle from the The Hunger Games website seems to be teasing a date for the second trailer of The Hunger Games: The Ballad of Songbirds & Snakes.

Sharp eyed fans noticed a glowing rose on the homepage of recently redesigned thehungergames.movie (see above). When you click the rose the following screen appears and Rue's whistle plays:

The riddle below can be unlocked by correctly texting the 4 musical notes of Rue’s whistle to 1-717-844-6559. 

Can you solve it? 

So far there are lots of guesses but no confirmation yet whether anyone’s guess is correct, or if this clue is, indeed, pointing us to the date of the second trailer. We'll keep you posted! 🕊️🐍🤔