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.
The new roles are more effective than the old roles.
( z1 have-degree :ARG1 ( z2 role :ARG1-of ( z3 new ) ) :ARG2 ( z4 effective :ARG0 z2 ) :ARG3 ( z5 more ) :ARG4 ( z6 role :mod ( z7 old ) ) )