The rest of the model.
•Where do you put the targets?
•
•What are the targets?
–Pitch values?
–Slopes?
–
•Do the targets change in f0 range with changes in strength?
Details details details.   See Chilin Shih and Greg Kochanski, “Modeling Intonation: Asking for Confirmation in English”, Proceedings of the International Conference of Phonetic Sciences, ICPhS03, August 2003, Barcelona, Spain.   http://prosodies.org/papers/2003/ICPhS03.pdf .