As parties adapt to these new conditions, new definitions - replete with new assumptions about their functions - are likely to shape the ongoing debate about their roles and functions in the 21st century.
They are not filled with new assumptions.
( z1 fill :polarity - :ARG1 ( z2 they ) :ARG2 ( z3 thing :ARG1-of ( z4 assume ) :ARG1-of ( z5 new ) ) )