This nuclear configuration is phonetically realized as a rise during the last accented syllable followed by a fall to a low level.
It is found in narrow focus statements, exclamatives and imperatives.
Example: Narrow focus statement
Volen MELMELADA (i no pas mantega)
[They want jam (not butter)]
Example: Exclamative with rhematization
MELMELADA volen (i no pas mantega)
[JAM is what they want (and not butter)]