The model for English
• There are identical boundary tones on every utterance.
• All target shapes are identical, except the focus.
%X  B  B  B | B  A  B | B  B  B  B  Y%
%X  B  B  B | A  B  B | B  B  B  B  Y%
%X  B  A  B | B  B  B | B  B  B  B  Y%
• Rather simple phonology.