National currencies will be completely replaced by the euro in within six months after the introduction of euro notes and coins.
National currencies will be completely replaced by the euro within six days. 
( z1 replace :ARG1 ( z2 currency :mod ( z3 nation ) ) :ARG2 ( z4 euro ) :ARG1-of ( z5 complete ) :time ( z6 within :op ( z7 up-to :op ( z8 temporal-quantity :quant 6 :unit ( z9 day ) ) ) ) )